ALEXANDRIA, Va., April 21 -- United States Patent no. D1,123,113, issued on April 21, was assigned to NIPPON PILLAR PACKING Co. LTD. (Osaka, Japan).
"Pipe joint retainer" was invented by Shohei Minamihara (Osaka, Japan) and Yoshihiro Ito (Osaka, Japan).
The patent was filed on June 11, 2024, under Application No. D/946,771.
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