ALEXANDRIA, Va., July 16 -- United States Patent no. 12,671,257, issued on June 30, was assigned to NISHATI, INC. (Gilbert, Ariz.).

"Hybrid electrical power generator and battery charging system" was invented by Robert J. Charette (Queen Creek, Ariz.), Richard A. Schilke (Clover, S.C.) and Travis P. Kelley (Glendale, Ariz.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A power generating system comprising an electrical generating set and a modulator configured to maintain optimal voltage regulation under varying load conditions. The system includes a controllable current power source; an active rectifier coupled to the controllable current power source, configured to rectify an output of the controllable cur...