ALEXANDRIA, Va., Dec. 23 -- United States Patent no. 12,503,029, issued on Dec. 23, was assigned to Clement Industries Inc. (Minden, La.).
"Hydraulic lift system for a semi-trailer" was invented by Kenneth K. Kemp (Summerfield, La.), Griffin Schlamp (Ruston, La.), Robert Horton (Bossier City, La.) and Gregory N. Leong (Murfreesboro, Tenn.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A hydraulic lift system for a semi-trailer is provided. The hydraulic lift system includes a single, vertically-mounted, double acting, telescopic hydraulic cylinder located at the front of the semi-trailer. One portion of the hydraulic cylinder can be attached to bearings that are bolted to a vertical support structure attache...