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Article: German Inventors Develop Electrical Decoration Lighting Device
- Article from:
- US Fed News Service, Including US State News
- Article date:
- September 8, 2008
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ALEXANDRIA, Va., Sept. 8 -- Thomas Von Ronn and Birgit Clemens, both of Hamburg, Germany and Harald Rathman of Berlin, Germany, have developed a lighting device.
According to the U.S. Patent & Trademark Office: "A lighting device that may be independent or may be one of a set that includes a plurality of lighting devices. The lighting device may be a Christmas tree-topper device, that may be placed on top of a supporting body, such as the top of a Christmas tree. The lighting device includes a light-emitting element and an electrical current source which is independent of an electrical network and supplies power to the light-emitting element. The lighting device may also include a ...