ALEXANDRIA, Va., June 6 -- United States Patent no. 12,280,857, issued on April 22, was assigned to Protomet Corp. (Oak Ridge, Tenn.).

"Seat slide-lock system" was invented by Matthew Duffield (Harriman, Tenn.), Brian Pitcher (Knoxville, Tenn.) and Tyler Gooden (Harriman, Tenn.).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure provides a seat slide-lock system including a seat slide rail having a longitudinal axis and defining at least one detent, and a seat movable along the longitudinal axis of the seat slide rail. The seat includes a seat slide-lock device including a slide handle accessible to a user and movable between an engaged position and a disengaged position, a slide pin couple...