ALEXANDRIA, Va., May 19 -- United States Patent no. 12,633,429, issued on May 19, was assigned to Standard Nuclear Inc. (Oak Ridge, Tenn.).

"Radioisotope power system for vehicle" was invented by Christopher Morrison (Seattle).

According to the abstract* released by the U.S. Patent & Trademark Office: "Radioisotope power system and propulsion system technologies to increase the energy efficiency, mass efficiency, and duration capability of a vehicle during operation. A radioisotope power system includes a radioisotope power unit that emits a plurality of radiation particles and is configured to directly or indirectly provide power, propulsion, or both power and propulsion of a vehicle. The radioisotope power system can further include a t...