ALEXANDRIA, Va., Sept. 3 -- United States Patent no. 12,404,652, issued on Sept. 2, was assigned to Doosan Bobcat North America Inc. (West Fargo, N.D.).
"Loader lift arm" was invented by Branden Schiwal (Bismarck, N.D.).
According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed embodiments include power machines and related structures of lift arms, implement carriers, follower links, and driver links which improve manufacturability, reduce component failures, and improve power machine design and functionality. In some embodiments, lift arm structures include cast lower lift arm portions. The cast lower lift arm portions include contoured upper ends which are sleeved onto contoured lower ends of upper lift arm p...