ALEXANDRIA, Va., Oct. 27 -- United States Patent no. 12,774,686, issued on Oct. 27, was assigned to Champion Power Equipment Inc. (Las Vegas).

"Dual fuel lockout switch for generator engine" was invented by Mark J. Sarder (Waukesha, Wis.), Aleko D. Sotiriades (Cedarburg, Wis.), James J. Dehn (Brookfield, Wis.) and Leigh Jenison (Hartland, Wis.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A mechanical fuel lockout switch for a dual fuel engine includes a mechanical fuel valve actuatable between a first position and a second position to selectively control fuel flow to the dual fuel engine from a first fuel source through a first fuel line and a second fuel source through a second fuel line. The mechanical f...