Heat sink
Claims
The ornamental design for a heat sink, as shown and described.
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- Amazon, “DJOHNS Laptop Cooling Pad . . . ”, First on sale Sep. 27, 2021. (https://www.amazon.com/DJOHNS-Cooling-Computer-Powered-Collapsible/dp/B09H5VR35Z?th=1) (Year: 2021).
Type: Grant
Filed: May 29, 2021
Date of Patent: Feb 7, 2023
Inventor: Junbo Lin (Fengjiang)
Primary Examiner: April Rivas
Application Number: 29/786,228