ALEXANDRIA, Va., June 17 -- United States Patent no. 12,312,944, issued on May 27, was assigned to The Charles Machine Works Inc. (Perry, Okla.).
"Fretting-wear resistant beacon lid" was invented by Greg L. Slaughter Jr. (Perry, Okla.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A connection system for a lid in a beacon housing. The lid is connected to the housing at a tab at a first end, after a lip of the lid is placed under a shelf at its second end. The tab has a cross-bore for receiving a connection pin through both the cross-bore and corresponding holes in the housing which form a continuous passage. The lid is placed under tension to reduce relative vibration between the lid and the housing. A set s...