ALEXANDRIA, Va., Feb. 24 -- United States Patent no. D1,114,577, issued on Feb. 24, was assigned to Toolmays (Shanghai) Technology Co. Ltd (Shanghai).
"Electric screw driver" was invented by Xinyu Zhang (Shanghai), Hua Zhang (Jiaxing, China) and Bojun Zhang (Jiaxing, China).
The patent was filed on April 24, 2024, under Application No. D/939,035.
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