ALEXANDRIA, Va., June 10 -- United States Patent no. D1,073,427, issued on May 6, was assigned to Hangzhou Taihong Hardware Tools Co. Ltd. (Zhejiang, China).
"Grease gun" was invented by Huabing Han (Zhejiang, China).
The patent was filed on Dec. 1, 2024, under Application No. D/975,724.
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