ALEXANDRIA, Va., June 17 -- United States Patent no. 12,312,763, issued on May 27, was assigned to Deere & Co. (Moline, Ill.).
"Linkage assembly for construction machine" was invented by Nilesh Kumbhar (Dubuque, Iowa), Brett S. Graham (Dubuque, Iowa), Eric Vilar (Dubuque, Iowa) and Giovanni A. Wuisan (Dubuque, Iowa).
According to the abstract* released by the U.S. Patent & Trademark Office: "A construction machine comprising a machine frame, a plurality of ground engaging units for supporting the machine frame from a ground surface, a work tool coupling, left and right boom arms pivotally supported directly or indirectly from the machine frame and pivotally connected to the work tool coupling, left and right work tool actuators mounted on...