ALEXANDRIA, Va., June 10 -- United States Patent no. D1,073,436, issued on May 6, was assigned to RUIAN XIANGRUI AUTO ELECTRICAL APPLIANCE Co. LTD (Wenzhou, China).
"Smart lock" was invented by Dewei He (Rui'an, China), Anqi He (Rui'an, China) and Ziyao He (Rui'an, China).
The patent was filed on Nov. 24, 2022, under Application No. D/860,978.
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