ALEXANDRIA, Va., Jan. 20 -- United States Patent no. D1,109,567, issued on Jan. 20, was assigned to Sanyo Sangyo Co. Ltd. (Oita, Japan).
"Filter cone" was invented by Shigeji Nakatsuka (Oita, Japan).
The patent was filed on Sept. 29, 2023, under Application No. D/913,323.
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