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US Patent 8278816 High CRI electroluminescent lamp

Patent 8278816 was granted and assigned to Global Tungsten & Powders Corp. on October, 2012 by the United States Patent and Trademark Office.

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Patent Number

Patent Inventor Names

Chung-nin Chau0

Date of Patent

October 2, 2012

Patent Application Number

107116820

Date Filed

September 30, 2004

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