ALEXANDRIA, Va., April 2 -- United States Patent no. D1,069,120, issued on April 1, was assigned to Shenzhen Deda Medical Technology Group Co. Ltd. (Shenzhen, China).
"Oxygen concentrator" was invented by Detao Mao (Shenzhen, China).
The patent was filed on Nov. 8, 2024, under Application No. D/972,342.
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