ALEXANDRIA, Va., July 28 -- United States Patent no. D1,137,341, issued on July 28, was assigned to ZHEJIANG LIN LONG WELDING EQUIPMENT Co. LTD. (Taizhou, China).

"Welding machine" was invented by Yang Lin (Taizhou, China) and Wei Lin (Taizhou, China).

The patent was filed on May 12, 2025, under Application No. D/003,321.

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