ALEXANDRIA, Va., Oct. 28 -- United States Patent no. D1,100,177, issued on Oct. 28, was assigned to ebm-papst Mulfingen GmbH & Co. KG (Mulfingen, Germany).
"Protective grid" was invented by Harald Allerstorfer (Bad Mergentheim, Germany).
The patent was filed on March 21, 2022, under Application No. D/831,522.
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