Par lamp heat sink
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The broken line disclosure is for environmental purposes only and does not form a part of the claimed design.
Claims
The ornamental design for a par lamp heat sink, as shown and described.
Type: Grant
Filed: Mar 2, 2012
Date of Patent: Jun 4, 2013
Assignee: OSRAM SYLVANIA Inc. (Danvers, MA)
Inventors: Yichong Zeng (Chelmsford, MA), Shiyong Zhang (Acton, MA)
Primary Examiner: Marcus Jackson
Application Number: 29/414,714