ALEXANDRIA, Va., Feb. 11 -- United States Patent no. D1,112,680, issued on Feb. 10, was assigned to Robert Bosch GmbH (Stuttgart, Germany).
"Air purifier" was invented by Sebastian Bauer (Esslingen, Germany) and Xuefei Liu (Shanghai).
The patent was filed on Nov. 15, 2022, under Application No. D/867,964.
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