ALEXANDRIA, Va., June 2 -- United States Patent no. D1,128,410, issued on June 2, was assigned to PS INDUSTRIES Inc. (Grand Forks, N.D.).
"Hinge plate for a self-closing safety gate" was invented by Peter Allen Letvin (Emerado, N.D.), Daniel Thomas Satrom (Arvilla, N.D.) and Chad Joseph Rose (Grand Forks, N.D.).
The patent was filed on March 14, 2022, under Application No. D/830,631.
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