ALEXANDRIA, Va., March 12 -- United States Patent no. 12,247,658, issued on March 11, was assigned to ALLISON TRANSMISSION INC. (Indianapolis).

"Electric park systems, transmissions incorporating the same, and methods for transmissions" was invented by James Raszkowski (Indianapolis) and Isaac Mock (Martinsville, Ind.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Transmissions, park systems, and methods of operating transmissions are disclosed herein. A transmission includes an input shaft to receive torque from a drive unit, an output shaft to transmit torque to a load, and a park system to selectively brake the output shaft. The park system includes a park actuation assembly having a park gear in direct c...