ALEXANDRIA, Va., June 18 -- United States Patent no. D1,078,415, issued on June 10, was assigned to SIANG SYUAN FU ENTERPRISE Co. LTD. (Hemei Township, Changhua County, Taiwan).
"Caulking gun" was invented by Chen-Hsuan Hung (Changhua County, Taiwan).
The patent was filed on Aug. 23, 2023, under Application No. D/910,699.
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