ALEXANDRIA, Va., July 15 -- United States Patent no. 12,662,214, issued on June 23, was assigned to Mahle International GmbH (Germany).

"Power shift transmission, method of operating the same and bicycle having a power shift transmission" was invented by Adrian Garcia (Ismaning, Germany) and Christian Wirth (Mossinning, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "A power shift transmission for a vehicle driveable by motor power and/or pedal power may include a transmission device which transmits a torque introducible on a drive in a transmission ratio settable via a plurality of gears to an output. The power shift transmission may also include two shifting devices via which the transmission device...