ALEXANDRIA, Va., Oct. 6 -- United States Patent no. D1,151,809, issued on Oct. 6, was assigned to Seatop Stationery Co. Ltd. (Ningbo, China).
"Pen refill container" was invented by Jingjie Shi (Ningbo, China).
The patent was filed on April 30, 2025, under Application No. D/001,982.
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