ALEXANDRIA, Va., Feb. 24 -- United States Patent no. D1,114,868, issued on Feb. 24, was assigned to Dongguan City Ren Tong Swimming & Diving Products Co. Ltd. (Guangdong, China).
"Diving mask" was invented by Guoren Hu (Ji'an, China).
The patent was filed on July 3, 2023, under Application No. D/896,386.
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