US Fed News Service, Including US State News back issues from Tuesday, October 24:
North Carolina Inventor Develops Reel Mower Type
Oct 24, 2006 ... ALEXANDRIA, Va., Oct. 24 -- James E. Berkeley of Pineville, N.C., has developed a reel mower discharge safety guard. According to the U.S. Patent & Trademark Office, the invention relates to a "reel type mower having a mobile structure and a ground engaging traction member rotatably ...
Washington Inventors Develop Mobile Device Antenna Configuration
Oct 24, 2006 ... ALEXANDRIA, Va., Oct. 24 -- David William Voth of Woodinville, Wash., and Dina Christine Taylor of Seattle, have developed a speaker and an antenna configuration for use in a mobile device. According to the U.S. Patent & Trademark Office: "The speaker and antenna configuration ...
German Inventors Develop Auditory Treatment Device
Oct 24, 2006 ... ALEXANDRIA, Va., Oct. 24 -- Hans-Dieter Borowsky and Edmund Lobbers, both of Neuenkirchen, Germany, and Roman Jandaurek and Theo Wesendahl, both of Rheine, Germany, have developed a hearing aid for correcting hearing impairments that comprises a metal housing which has a battery compartment and ...
U.S., German Inventors Develop Adaptive Close-Talking Differential Microphone Array
Oct 24, 2006 ... ALEXANDRIA, Va., Oct. 24 -- Gary W. Elko of Summit, N.J., and Heinz Teutsch of Nurnberg, Germany, have developed a method and an apparatus for providing a differential microphone with a desired frequency response. According to the U.S. Patent & Trademark Office: "The desired ...
German, Hungarian Inventors Develop Net Blanket
Oct 24, 2006 ... ALEXANDRIA, Va., Oct. 24 -- Martin Frink of Wedemark, Germany, and Zoltan Magosi of Mezoehegyes, Hungary, have developed a net blanket for use as a holding harness for urine collecting devices for horses. According to the U.S. Patent & Trademark Office, the invention relates to a ...
Indiana Inventor Develops Integrated Circuit Pin Dual Use
Oct 24, 2006 ... ALEXANDRIA, Va., Oct. 24 -- Gene Karl Sendelweck of Indianapolis has developed a dual use of an integrated circuit (IC) pin and the switching of signals at said pin. According to the U.S. Patent & Trademark Office: "In a signal processing system with an IC having an intrinsic signal ...
Canadian Inventors Develop Latch
Oct 24, 2006 ... ALEXANDRIA, Va., Oct. 24 -- Yvon Bedard of Orford, Canada, and Jean-Franc Desmarais of Racine, Canada, have developed a snowmobile that includes a pivotally mounted motor cover that moves between open and closed positions relative to the snowmobile's frame. According to the U.S. Patent ...
Japanese Inventors Develop Helmets Connecting Cable
Oct 24, 2006 ... ALEXANDRIA, Va., Oct. 24 -- Hajime Tabata, Yukio Miyamaru and Mutsumi Katayama, all from Saitama, Japan, have developed a communication system for communicating between two occupants riding on the same vehicle, or between the driver and the fellow passenger. According to the U.S. Patent ...
Swiss Inventor Develops Hearing Device Signal Amplification Adapting Process
Oct 24, 2006 ... ALEXANDRIA, Va., Oct. 24 -- Hans-Ueli Roeck of Hombrechtikon, Switzerland, has developed a process to adapt the signal amplification in a hearing device as well as a hearing device. According to the U.S. Patent & Trademark Office: "A input signal for a hearing device signal ...
Israeli Inventors Develop Three-Dimensional Audio Optimization System
Oct 24, 2006 ... ALEXANDRIA, Va., Oct. 24 -- Yuval Cohen, Amir Bar On and Giora Naveh, all from Rehovot, Israel, have developed a system and a method for optimization of three-dimensional audio. An abstract of the invention, released by the U.S. Patent & Trademark Office, said: "The invention ...
German Inventors Develop Sound System
Oct 24, 2006 ... ALEXANDRIA, Va., Oct. 24 -- Gerhard Pfaffinger of Regensburg, Germany, Franz Lorenz of Obermotzig, Germany, and Markus Christoph of Straubing, Germany, have developed a sound system with four loudspeakers and at least one signal processing device connected to the input of two loudspeakers and ...
Indiana, Kentucky Inventors Develop Condenser
Oct 24, 2006 ... ALEXANDRIA, Va., Oct. 24 -- Neil Kent McDonald of Georgetown, Ind., and Alexander Pinkus Rafalovich of Louisville, Ky., have developed condensers for refrigerators. According to the U.S. Patent & Trademark Office: "A refrigerator condenser includes a spiraled tube and wire member ...
U.S., British Inventors Develop Enhanced Acoustic Mud Pulse Telemetry Apparatus
Oct 24, 2006 ... ALEXANDRIA, Va., Oct. 24 -- Benjamin Peter Jeffryes of Histon, Great Britain, Sandra Denisse Reyes of Cambridge, Great Britain, and Keith Alan Moriarty of Houston, have developed a method and a system for telemetry through a drilling fluid during drilling. According to the U.S. Patent ...
South Korean Inventor Develops Data Encryption Apparatus Key Scheduler
Oct 24, 2006 ... ALEXANDRIA, Va., Oct. 24 -- Young-Won Lim of Ichon-shi, South Korea, has developed a key scheduler for an encryption apparatus that uses a data encryption standard encryption algorithm. An abstract of the invention, released by the U.S. Patent & Trademark Office, said: "The key ...
Massachusetts Inventor Develops Rider Mower Grass Catcher
Oct 24, 2006 ... ALEXANDRIA, Va., Oct. 24 -- Ralph Dimarco of Middleboro, Mass., has developed a side cart that is mounted directly to one side of a tractor or rider lawn mowing blade housing deck. According to the U.S. Patent & Trademark Office: "The side cart has an opening adjacent to the grass ...
Texas Inventors Develop Subsea Communication System
Oct 24, 2006 ... ALEXANDRIA, Va., Oct. 24 -- Roderick Mackenzie, John A. Kerr and Alan Johnston, all from Sugar Land, Texas, have developed a subsea communication system and a technique. According to the U.S. Patent & Trademark Office: "A subsea communication system is used to communicate between a ...
Connecticut, New York Inventors Develop Position Dependent Information Retrieval System
Oct 24, 2006 ... ALEXANDRIA, Va., Oct. 24 -- Demetri Giannopoulos of Norwalk, Conn., and Ihor Terence Wacyk of Briarcliff Manor, N.Y., have developed a position dependent information retrieval system that includes a light source with a driver and an encoder. According to the U.S. Patent & Trademark ...
Wisconsin Inventors Develop 24-hydroxyvitamin D Utilization Method
Oct 24, 2006 ... ALEXANDRIA, Va., Oct. 24 -- Charles W. Bishop, Joyce C. Knutson and Stephen Strugnell, all from Madison, Wis., have developed 24-hydroxyvitamin D compounds and their use in the treatment and prophylaxis of hyperparathyroidism. According to the U.S. Patent & Trademark Office: "The invention ...
California Inventor Develops Bike Brake Shoe Molding Structure
Oct 24, 2006 ... ALEXANDRIA, Va., Oct. 24 -- Szu-Fang Tsai of Walnut Creek, Calif., has developed a bike brake shoe molding structure. According to the U.S. Patent & Trademark Office: "An improved molding structure of a bike brake shoe including a pre-assembly of metal base comprised of a disk, a ...
German Inventors Develop Heat Exchanger
Oct 24, 2006 ... ALEXANDRIA, Va., Oct. 24 -- Uwe Kruger of Bietigheim-Bissingen, Germany, Rainer Lutz of Bissingen, Germany, Martin Schindler of Stuttgart, Germany, Michael Schmidt of Karlsruhe, Germany, have developed an exhaust gas heat exchanger for a motor vehicle, with tubes and a ...
French Inventors Develop Circularly Polarized Wire Antenna
Oct 24, 2006 ... ALEXANDRIA, Va., Oct. 24 -- Marc Le Geoff of Les Ulis, France, Luc Duchesne of Angervilliers, France, Jean-Marc Franc Baracco of Vence, France, and Patrick Dumon of Vigoulet-Auzil, France, have developed antennas that have a revolution radiation pattern around an axis and that have a maximum ...
Wisconsin Inventors Develop Heat Exchanger
Oct 24, 2006 ... ALEXANDRIA, Va., Oct. 24 -- Thomas M. Shields and Rachel Olsonawski, both of Racine, Wis., and Robert J. DeGroot of Milwaukee, have developed a plastic tanked heat exchanger-side and a header tank assembly. According to the U.S. Patent & Trademark Office: "A tank to header attachment ...
Japanese Inventor Develops Fuel Cell Vehicle
Oct 24, 2006 ... ALEXANDRIA, Va., Oct. 24 -- Yoshiyuki Horii of Wako, Japan, has developed a fuel cell vehicle in which a fuel cylinder and a fuel cell stack are arranged so that the barycentric position is kept low and load is appropriately shared between the front and rear wheels, the U.S. Patent & ...
British Inventor Develops Cable Curvature Restraining Apparatus
Oct 24, 2006 ... ALEXANDRIA, Va., Oct. 24 -- Errol Drew of Northampton, Great Britain, has developed an apparatus for restraining cable curvature. According to the U.S. Patent & Trademark Office: "A pull cable can restrain cable curvature by the use of cable links configured to provide a limit to a ...
Japanese Inventors Develop Electric Power Tool
Oct 24, 2006 ... ALEXANDRIA, Va., Oct. 24 -- Akihito Hara of Amagun, Japan, and Hideki Abe of Anjo, Japan, have developed an electric power tool with improved speed change gearing. According to the U.S. Patent & Trademark Office: "A battery-operated driver-drill includes an epicycle reduction gear ...
British Inventors Develop Intracellular Glucocorticoid Concentration Regulation Method
Oct 24, 2006 ... ALEXANDRIA, Va., Oct. 24 -- Brian Robert Walker and Jonathan Robert Seckl, both of Edinburgh, Great Britain, and Christopher Richard Watkin Edwards of London, have developed a method of regulation of intracellular glucocorticoid concentrations. According to the U.S. Patent & Trademark ...
German Inventors Develop Multiple Vehicle Heat Exchangers Frame
Oct 24, 2006 ... ALEXANDRIA, Va., Oct. 24 -- Ralf Beck of Reutlingen, Germany, Werner Nitsche of Teck, Germany, Roland Strahle of Unerensingen, Germany, Jens Nies of Holzgerlingen, Germany, Heinrich Rockenfeller of Kirchentellinsfurt, Germany, and Wilfried Bittner of Filderstadt, Germany, have developed a ...
Minnesota Inventor Develops Wet Friction Device
Oct 24, 2006 ... ALEXANDRIA, Va., Oct. 24 -- George Reisch Aschauer of Bemidji, Minn., has developed a wet friction device with inward and outward circulating cooling means. According to the U.S. Patent & Trademark Office, the invention relates to an "interleaved friction plate braking device having ...
Ohio Inventor Develops Nitrogen Oxide Emission Reducing System
Oct 24, 2006 ... ALEXANDRIA, Va., Oct. 24 -- Shawn Midlam-Mohler of Columbus, Ohio, has developed a method of controlling exhaust emission oxides of nitrogen (NOx) from an internal combustion engine. According to the U.S. Patent & Trademark Office: "A method of controlling exhaust emission of NOx ...
U.S., Canadian Inventors Develop Communication System Correspondents Authentication Method
Oct 24, 2006 ... ALEXANDRIA, Va., Oct. 24 -- Prakash Panjwani of Carol Stream, Ill., and Simon Blake-Wilson of Toronto, have developed a method of establishing communication between a first correspondent and a second correspondent. According to the U.S. Patent & Trademark Office: "The present ...
California Inventors Develop Single Core Multiple Antennas Method
Oct 24, 2006 ... ALEXANDRIA, Va., Oct. 24 -- Philip B. Hess of Los Angeles, and Wayne A. Morgan of Northridge, Calif., have developed a system and a method for multiple antennas on a single core. According to the U.S. Patent & Trademark Office: "The system may include a first core, a first winding ...
Taiwanese, Chinese Inventors Develop Heat Sink
Oct 24, 2006 ... ALEXANDRIA, Va., Oct. 24 -- Hsieh-Kun Lee and Cheng-Tien Lai, both of Tu-Cheng, Taiwan, and Zhi-Yong Zhou of Shenzhen, China, have developed a heat sink that comprises a plurality of stacked fins which are being combined. According to the U.S. Patent & Trademark Office: "Each fin ...
Virginia Inventors Develop Database Encryption Management System
Oct 24, 2006 ... ALEXANDRIA, Va., Oct. 24 -- Adrian Filipi-Martin and Brian Hope, both of Charlottesville, Va., have developed an automated management of encryption keys that includes the storage and publication of encryption keys over a distributed network. According to the U.S. Patent & Trademark ...
California Inventor Develops Substrate Inspection Charged Particle Beam Column
Oct 24, 2006 ... ALEXANDRIA, Va., Oct. 24 -- N. William Parker of Fairfield, Calif., has developed detector optics for charged particle beam inspection system. According to the U.S. Patent & Trademark Office: "A charged particle beam column for substrate inspection includes detector optics with high ...
Japanese Inventors Develop Semiconductor Light-Emitting Device
Oct 24, 2006 ... ALEXANDRIA, Va., Oct. 24 -- Hiroyuki Okuyama, Masato Doi, Goshi Biwa, Toyoharu Oohata and Tomoyuki Kikutani, all from Kanagawa, Japan, have developed semiconductor light-emitting devices. According to the U.S. Patent & Trademark Office: "The semiconductor light-emitting devices ...
Florida, California Inventors Develop Flexible Pipe Manufacturing Method
Oct 24, 2006 ... ALEXANDRIA, Va., Oct. 24 -- Dana Fraser, Robert G. Hoefling and Mark D. Kalman, all from Panama City, Fla., and Alan I. McCone of San Francisco, have developed a flexible pipe and a method of manufacturing same according to which the pipe is formed by multiple layers of different materials and ...
Wisconsin Inventors Develop Engine Cylinder Electrohydraulic Valve Assembly
Oct 24, 2006 ... ALEXANDRIA, Va., Oct. 24 -- Edward A. Flynn of Pewaukee, Wis., Curt L. VanWeelden of Sussex, Wis, and Michael C. Layne of Waterford, Wis., have developed a hydraulic valve assembly to activate and deactivate cylinder valves of a multi-cylinder engine. According to the U.S. Patent & ...
U.S., British Inventors Develop Communication System Authentication Providing Method
Oct 24, 2006 ... ALEXANDRIA, Va., Oct. 24 -- Hans Christopher Sowa of Schaumburg, Ill., Daniel J. McDonald of Cary, Ill., Scott J. Pappas of Lake Zurich, Ill., Dennis Newkirk of West Chicago, Ill., Randy Kremske of Woodstock, Ill., Walter F. Anderson of Algonquin, Ill., David J Chater-Lea of Crowthorne, Great ...
Virginia, Maryland Inventors Develop High Intensity Acoustic Test Cells Apparatus
Oct 24, 2006 ... ALEXANDRIA, Va., Oct. 24 -- Bruce T. Benwell of Sumerduck, Va., Christian G. Reiff of Arlington, Va., and Harold E. Boesch Jr. of Beltsville, Md., have developed an apparatus and a method for high intensity infrasonic tunable resonant acoustic test cell. According to the U.S. Patent ...
Massachusetts Inventors Develop Cyclic Salen-Metal Compound
Oct 24, 2006 ... ALEXANDRIA, Va., Oct. 24 -- Bernard Malfroy-Camine of Arlington, Mass., and Susan Robin Doctrow of Roslindale, Mass., have developed cyclic salen-metal compounds as scavengers for oxygen radicals and which are useful as antioxidants in the treatment and prevention of diseases. According to the ...
Swedish Inventors Develop Metal Casting Device
Oct 24, 2006 ... ALEXANDRIA, Va., Oct. 24 -- Nils Jacobson of Stockholm, Sweden, and Erik Svensson of Vasteras, Sweden, have developed a device for continuous or semi-continuous casting of metal. According to the U.S. Patent & Trademark Office, the invention relates to a "device for continuous or ...
Interstate Brand Wins $53,000 Contract
Oct 24, 2006 ... DUBLIN, Calif., Oct. 24 -- The U.S. Department of Justice has awarded a $53,000 contract to Interstate Brand Co., Sacramento, Calif., for bread. The contract was awarded by the department's Bureau of Prisons, Federal Correctional Institution, Dublin, Calif. For more ...
Packet Digital Wins $5.32 Million Contract
Oct 24, 2006 ... MCCLELLAN, Calif., Oct. 24 -- The U.S. Department of Defense has awarded a $5.32 million contract to Packet Digital LLC, Fargo, N.D., for advanced research and development of advanced power management for wireless systems. The contract was awarded ...
Italian Inventor Develops Nitric Acid Salt Utilization Method
Oct 24, 2006 ... ALEXANDRIA, Va., Oct. 24 -- Piero Del Soldato of Milan, Italy, has developed nitric acid salts with medicines active in the respiratory system pathology treatment, the U.S. Patent & Trademark Office announced. The inventor was issued U.S. Patent No. 7,122,539 on Oct. 17. The ...
California Inventor Develops Gimbal Mechanism
Oct 24, 2006 ... ALEXANDRIA, Va., Oct. 24 -- Jerry J. Miller of Big Bear Lake, Calif., has developed a gimbal mechanism that comprises a support stand, an outer frame and an inner frame. According to the U.S. Patent & Trademark Office: "The support stand includes a spaced pair of L-shaped legs ...
Colorado Inventor Develops Wildfire Presence Detection System
Oct 24, 2006 ... ALEXANDRIA, Va., Oct. 24 -- Robert J. Smith of Boulder, Colo., has developed fire detection systems for sensing the presence of fire and/or precursors thereof which are located remotely therefrom. According to the U.S. Patent & Trademark Office: "Detecting a wildfire and an ...
Japanese Inventors Develop Wide band Antenna
Oct 24, 2006 ... ALEXANDRIA, Va., Oct. 24 -- Shinichi Kuroda and Tomoya Yamaura, both of Tokyo, have developed a wideband antenna with a lowered standing wave ratio. According to the U.S. Patent & Trademark Office: "The wideband antenna interposes a substance whose conductivity is about 0.1 through ...
Florida Inventors Develop Rocket Engine Combustion Chamber Coolant System Forming Method
Oct 24, 2006 ... ALEXANDRIA, Va., Oct. 24 -- Terrence J. McMullen of Palm Beach Gardens, Fla., and David Hietapelto of Loxahatchee, Fla., have developed a method for forming a coolant system for a rocket engine combustion chamber. According to the U.S. Patent & Trademark Office: "The method comprises ...
Canadian Inventor Develops Circuit Balancing Valve
Oct 24, 2006 ... ALEXANDRIA, Va., Oct. 24 -- Baogang Wang of Toronto has developeda circuit balancing valve that includes a valve body with fluid flow passage extending therethrough. According to the U.S. Patent & Trademark Office: "The fluid flow passage includes a fluid inlet passage-side in fluid ...
Japanese Inventor Develops Layered Evaporator
Oct 24, 2006 ... ALEXANDRIA, Va., Oct. 24 -- Naohisa Higashiyama of Oyama, Japan, has developed a layered evaporators for use in motor vehicle air conditioners by fabricating a refrigerant circuit with use of at least two kinds of formed metal plates. According to the U.S. Patent & Trademark Office: ...
Washington Inventor Develops Impact Deflection System
Oct 24, 2006 ... ALEXANDRIA, Va., Oct. 24 -- Phillip R Rotta of Kirkland, Wash., has developed a system for preventing a first object from impacting a second object. According to the U.S. Patent & Trademark Office: "An object deflection system includes at least one sensor for detecting an impending ...
Illinois Inventor Develops Jewelry Chest with Slidable Feature
Oct 24, 2006 ... ALEXANDRIA, Va., Oct. 24 -- Lori Greiner of Chicago has developed a jewelry chest and box for storing jewelry with a plurality of compartments to store jewelry items of various configurations. According to the U.S. Patent & Trademark Office: "The jewelry chest includes pivoting ...
Chinese Inventors Develop Heat Sink Clip
Oct 24, 2006 ... ALEXANDRIA, Va., Oct. 24 -- Hsieh Kun Lee and Donyun Lee, both of Shenzhen, China, have developed a clip securing a heat sink includes a pair of spaced V-shaped main bodies respectively received in grooves of the heat sink. According to the U.S. Patent & Trademark Office: "A pair of ...
Japanese Inventors Develop Electric Parking Brake System
Oct 24, 2006 ... ALEXANDRIA, Va., Oct. 24 -- Hidetoshi Suzuki of Hamamatsu, Japan, and Eiji Ina of Toyohashi, Japan, have developed an electric parking brake system and a method for controlling the same. According to the U.S. Patent & Trademark Office: "An electric parking brake system includes ...
Japanese Inventor Develops Organic Silver Salt Preparation Method
Oct 24, 2006 ... ALEXANDRIA, Va., Oct. 24 -- Satoshi Ito of Hino, Japan, has developed a method for preparation of organic silver salt and photothermographic imaging material. According to the U.S. Patent & Trademark Office: "Organic silver salt particles are manufacture by mixing an aqueous solution ...
Japanese Inventor Develops Vehicle Antilock Brake Control System
Oct 24, 2006 ... ALEXANDRIA, Va., Oct. 24 -- Nagao Miyazaki of Osaka, Japan, has developed a vehicular antilock brake control system that does not require a lengthy extension piping from its actuator. According to the U.S. Patent & Trademark Office: "The system provides for an accurate controlling ...
South Dakota Inventor Develops Oil Filter Cooler
Oct 24, 2006 ... ALEXANDRIA, Va., Oct. 24 -- John B. Gasseling of Rapid City, S.D., has developed an oil filter cooler for internal combustion engines that mounts directly to the engine block. According to the U.S. Patent & Trademark Office, the invention relates to an "oil filter cooler that has an ...
Japanese Inventors Develop Electron Beam Inspecting Method
Oct 24, 2006 ... ALEXANDRIA, Va., Oct. 24 -- Takashi Hiroi, Maki Tanaka, Masahiro Watanabe, Yukio Matsuyama and Yuji Takagi, all from Yokohama, Japan, Asahiro Kuni and Sugimoto, both of Tokyo, Hiroyuki Shinada of Chofu, Japan, and Mari Nozoe of Ome, Japan, Aritoshi have developed an electron beam inspection ...
Maryland Inventor Develops Retrieving Buried Coins Methods
Oct 24, 2006 ... ALEXANDRIA, Va., Oct. 24 -- Kenneth E. Michael of Baltimore has developed a sod saver tool for digging to acquire an object buried in the ground, and a non-metallic scraping tool utilized when carefully examining the soil. According to the U.S. Patent & Trademark Office: "The sod ...
Michigan, Indiana Inventors Develop Disk Brake Assembly
Oct 24, 2006 ... ALEXANDRIA, Va., Oct. 24 -- Joseph A. Kay and James R. Brichta, both of Highland, Mich., Christopher S. Keeney and Dennis A. Kramer, both of Troy, Mich., Frederick A. Jelley of Suttons Bay, Mich., Dennis G. O'Reilly of Rochester Hills, Mich., and Jaeho Kwak of West Lafayette, Ind., have ...
German Inventors Develop Visibility Determining Method
Oct 24, 2006 ... ALEXANDRIA, Va., Oct. 24 -- Stefan Engel and Klaus Heyn, both of Hamburg, Germany, have developed a method for determining visibility, amount of precipitation and type of precipitation. According to the U.S. Patent & Trademark Office: "The invention is directed to method and a ...
Indiana, Maryland Inventors Develop Cosalane Compound
Oct 24, 2006 ... ALEXANDRIA, Va., Oct. 24 -- Mark S. Cushman of West Lafayette, Ind., and O. M. Zack Howard of Frederick, Md., have developed cosalane compounds and methods for their use. According to the U.S. Patent & Trademark Office: "The present invention relates to methods, compounds and compositions ...
Taiwanese Inventor Develops Heat Sink Assembly
Oct 24, 2006 ... ALEXANDRIA, Va., Oct. 24 -- Yun Lung Chen of Taipei, Taiwan, has developed a heat sink assembly which interconnects a heat pipe and a fan for enhancing heat removal capability. According to the U.S. Patent & Trademark Office: "A heat sink assembly includes a plurality of fins, a pair ...
New Jersey Inventors Develop Grounding Rod Inserting Method
Oct 24, 2006 ... ALEXANDRIA, Va., Oct. 24 -- Richard Raimondi of Colonia, N.J., has developed a new grounding rod insertion device and a method for driving a grounding rod into a ground surface. According to the U.S. Patent & Trademark Office: "A method of inserting a grounding rod includes providing ...
Colorado Inventors Develop Life Safety Alarm
Oct 24, 2006 ... ALEXANDRIA, Va., Oct. 24 -- Joseph G. Deluca and Jason M. Sharpe, both of Colorado Springs, Colo., have developed a life safety alarm with a sealed battery power supply. According to the U.S. Patent & Trademark Office: "A life safety alarm, for example a smoke alarm, that is battery ...