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Article: Michigan Inventor Develops Lighting Device with Multiple Power Sources
- Article from:
- US Fed News Service, Including US State News
- Article date:
- May 23, 2007
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ALEXANDRIA, Va., May 23 -- Ronald Paul Harwood of Farmington Hills, Mich., has developed a lighting device with a number of light sources for illumination of an area around the lighting device.
According to the U.S. Patent & Trademark Office, the invention relates to the "lighting device including capabilities for generating illumination when a primary power source is unavailable. The light device may include a secondary power source for use in powering the lighting device when the primary power source is unavailable. The lighting device may include multiple operating modes, optionally depending on the active power source."
The inventor was issued U.S. Patent No. 7,218,056 on May ...