ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,447,812, issued on Oct. 21, was assigned to Carbyne Enterprises Inc. (Seattle).

"Hybrid vehicle conversion system" was invented by Thomas Q. Gurski (Seattle).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided herein is an auxiliary hybrid system (AHS) that may be configured to provide electrical propulsion to an e.g., internal combustion-powered vehicle through the use of a battery and electric motor. Alternatively, the AHS may be configured to increase range to electric vehicles through the use of an internal combustion-powered generator. In either embodiment, the AHS is added to a vehicle without altering the operation of the vehicles' standard dr...