ALEXANDRIA, Va., Aug. 5 -- United States Patent no. D1,138,685, issued on Aug. 4, was assigned to INTRADIN (HUZHOU) PRECISION TECHNOLOGY Co. LTD. (Huzhou City, China).
"Open metal pipe winder" was invented by Guizhong Ge (Huzhou, China), Gaofeng Wang (Huzhou, China), Xiaocui Wang (Huzhou, China) and Huaning Shi (Huzhou, China).
The patent was filed on July 24, 2023, under Application No. D/880,489.
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