ALEXANDRIA, Va., Dec. 9 -- United States Patent no. 12,494,733, issued on Dec. 9.
"Trailer-based solar power food refrigeration and freezing system" was invented by Justin Combs (American Fork, Utah).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention is a system and method for automating operation of a power system for a trailer-based solar power food refrigeration and freezing system, the system providing a solar powered battery that provides primary power to the systems in the trailer, the solar power system also being able to activate a propane standby generator when additional power is needed to charge the battery to a threshold power level, providing a startup control procedure for the ...