ALEXANDRIA, Va., Sept. 10 -- United States Patent no. 12,410,849, issued on Sept. 9, was assigned to Allison Transmission Inc. (Indianapolis).

"Output gearing for a dual motor mixed-speed continuous power transmission" was invented by Arthur L. McGrew Jr. (Indianapolis), Isaac Mock (Martinsville, Ind.), George S. Pelton (Indianapolis) and James Allen Raszkowski (Indianapolis).

According to the abstract* released by the U.S. Patent & Trademark Office: "An electric powertrain includes a first electric motor that has an uninterrupted connection with a drive shaft of a vehicle. The electric powertrain further includes a second electric motor that has an interruptible connection with the drive shaft. In one form, this interruptible connection ...