ALEXANDRIA, Va., Nov. 12 -- United States Patent no. D1,156,940, issued on Nov. 10, was assigned to Huizhou City Lingxian Plastic Products Co. Ltd. (Huizhou, China).
"Underwater propeller" was invented by Dejian Wu (Dazhou, China).
The patent was filed on Sept. 2, 2025, under Application No. D/020,986.
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