ALEXANDRIA, Va., Feb. 11 -- United States Patent no. D1,112,684, issued on Feb. 10, was assigned to Donaldson Co. Inc. (Bloomington, Minn.).
"Filter cartridge" was invented by Richard P. Manahan (Lake Elmo, Minn.).
The patent was filed on Aug. 23, 2023, under Application No. D/910,722.
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