ALEXANDRIA, Va., May 5 -- United States Patent no. D1,124,851, issued on May 5, was assigned to SUMITOMO ELECTRIC HARDMETAL CORP. (Itami, Japan).
"Screw" was invented by Ryota Kubo (Itami, Japan).
The patent was filed on July 24, 2025, under Application No. D/014,735.
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