ALEXANDRIA, Va., Aug. 26 -- United States Patent no. D1,090,539, issued on Aug. 26, was assigned to SHENZHEN ZOLON TECHNOLOGY Co. LTD. (Shenzhen, China).
"Bump bar keypad" was invented by Xiaojin Sun (Shenzhen, China) and Haibin Guo (Shenzhen, China).
The patent was filed on Feb. 5, 2024, under Application No. D/927,421.
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