ALEXANDRIA, Va., Sept. 17 -- United States Patent no. D1,093,592, issued on Sept. 16, was assigned to SICHUAN QIANLI-BEOKA MEDICAL TECHNOLOGY INC. (Chengdu, China).
"Oxygen machine" was invented by Hui Zou (Chengdu, China) and Wen Zhang (Chengdu, China).
The patent was filed on Aug. 17, 2023, under Application No. D/910,267.
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