ALEXANDRIA, Va., Feb. 24 -- United States Patent no. 12,560,026, issued on Feb. 24, was assigned to PS INDUSTRIES Inc. (Grand Forks, N.D.).
"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.).
According to the abstract* released by the U.S. Patent & Trademark Office: "Self-closing safety gate embodiments are disclosed herein. The self-closing safety gates include a hinge plate configured to rotate about a vertical support member and engage a hoop portion. In some embodiments, the hinge plate includes at least one support arm portion with a channel. In such embodiments, the channel can be configured to receive and frictionally engage a ...