ALEXANDRIA, Va., March 19 -- United States Patent no. 12,256,470, issued on March 18.
"Heated joystick" was invented by Tevin Mull (Vinton, Iowa).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to a heated joystick that is configured to be used with heavy-duty machines, excavators, snowplows, dump trucks and the like. The heated joystick comprises integrated heating elements for heating the surface of the joystick, a controller for controlling the operation of the integrated heating elements, and a wiring circuit to power the integrated heating elements and the controller. The wiring circuit can be connected to an external battery or to the vehicle's power system to supply power t...