ALEXANDRIA, Va., Dec. 16 -- United States Patent no. D1,106,453, issued on Dec. 16, was assigned to SMTP MEDICAL Co. LTD. (Beijing).
"Part of ultrasonic knife for surgery" was invented by Qun Cao (Beijing), Songtao Zhan (Beijing) and Yingfei Fang (Beijing).
The patent was filed on Aug. 1, 2024, under Application No. D/955,415.
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