ALEXANDRIA, Va., July 14 -- United States Patent no. D1,134,850, issued on July 14, was assigned to ZHEJIANG SHUYOU INSTRUMENT EQUIPMENT Co. LTD. (Huzhou, China).
"Tungsten needle" was invented by Bing Zhou (Huzhou, China), Chiqian Zhou (Huzhou, China), Ying Su (Huzhou, China), Zuokai Yin (Huzhou, China) and Yu Liu (Huzhou, China).
The patent was filed on July 30, 2021, under Application No. D/801,695.
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