ALEXANDRIA, Va., July 7 -- United States Patent no. D1,133,170, issued on July 7, was assigned to SMTP MEDICAL Co. LTD. (Beijing).
"Head of ultrasonic knife for surgery" was invented by Qun Cao (Beijing), Songtao Zhan (Beijing), Zhiling Dai (Beijing) and Yingfei Fang (Beijing).
The patent was filed on May 27, 2024, under Application No. D/521,579.
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