ALEXANDRIA, Va., Feb. 11 -- United States Patent no. D1,111,765, issued on Feb. 10, was assigned to Linhai Guokang Leisure Products Co. Ltd. (Zhejiang, China).
"Locking device" was invented by Defu Liu (Zhejiang, China).
The patent was filed on July 12, 2023, under Application No. D/897,186.
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