ALEXANDRIA, Va., June 12 -- United States Patent no. 12,296,717, issued on May 13, was assigned to Sustainable Energy Technologies Inc. (Wilmington, Del.).

"Intelligent hybrid power system for electrical vehicles" was invented by John Cronin (Wilmington, Del.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A system for powering an electric vehicle includes at least one electrochemical battery, at least one supercapacitor battery, a first relay disposed on a first electrical path between the at least one electrochemical battery and the electric vehicle, the first relay to connect or disconnect the at least one electrochemical battery to or from the electric vehicle, and a second relay disposed on a second elec...