ALEXANDRIA, Va., June 9 -- United States Patent no. 12,286,942, issued on April 29, was assigned to ILIGHT INC. (Secaucus, N.J.).

"Electrically powered supersonic and hypersonic propulsor" was invented by David Anthony Amels (Wood-Ridge, N.J.) and Stephen Michael Legensky (Rutherford, N.J.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A system for electromagnetically exciting certain molecules within a volume of gaseous working fluid or charge via transition frequency heating for propulsion, comprising an electrical energy source (EES), an electromagnetic wave generator (EWG), a reflection coefficient measurement device (RCMD), a controllable electrical matching network (EMN), a proportional integral deriva...