Heat sink for LED light bulb
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Description
Claims
The ornamental design of a heat sink for an LED light bulb, as shown and described.
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Patent History
Patent number: D662898
Type: Grant
Filed: Mar 24, 2011
Date of Patent: Jul 3, 2012
Assignee: GrafTech International Holdings Inc. (Parma, OH)
Inventor: James T. Petroski (Parma, OH)
Primary Examiner: Selina Sikder
Application Number: 29/388,102
Type: Grant
Filed: Mar 24, 2011
Date of Patent: Jul 3, 2012
Assignee: GrafTech International Holdings Inc. (Parma, OH)
Inventor: James T. Petroski (Parma, OH)
Primary Examiner: Selina Sikder
Application Number: 29/388,102
Classifications
Current U.S. Class:
Heat Sink (D13/179)