ALEXANDRIA, Va., June 12 -- United States Patent no. 12,296,705, issued on May 13, was assigned to Iontra Inc (Centennial, Colo.).

"Systems and methods for on-board EV charger and regenerative braking" was invented by John Richard Howlett III (Centennial, Colo.) and David Kessner (Denver).

According to the abstract* released by the U.S. Patent & Trademark Office: "Systems, circuits, and methods are disclosed herein for charging (recharging) one or more batteries of an electric vehicle through an on-board charge shaping (or tuning) circuit. The charge shaping circuit may alter the charge signal received from a charging station and/or a regenerative charge signal from the vehicle motor based on one or more charge conditions at the battery. ...