ALEXANDRIA, Va., July 28 -- United States Patent no. D1,136,904, issued on July 28, was assigned to YakAttack LLC.
"Lock washer" was invented by Luther Cifers III (Farmville, Va.), Joey Martin Pruitt (Appomattox, Va.) and John Aubrey Hipsher (Farmville, Va.).
The patent was filed on March 28, 2024, under Application No. D/934,967.
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