ALEXANDRIA, Va., April 9 -- United States Patent no. 12,269,538, issued on April 8, was assigned to Optimal Electric Vehicles Corp. (Plymouth, Mich.).
"Low floor electric vehicle" was invented by Christopher Roche (Ann Arbor, Mich.), Jingyu Liu (Ann Arbor, Mich.), Mark Bono (Northville, Mich.), Mark Preston (Maybee, Mich.), Song Young (Ann Arbor, Mich.), Viktor Kostrominov (Schererville, Ind.), Dan Daniels (Elkhart, Ind.), Eric Elliott (Canton, Mich.) and James Scott (Imlay City, Mich.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A low floor electric bus includes a frame extending longitudinally from a front end to a rear end, the frame having two sidepieces and a plurality of crossmembers extending betwee...