ALEXANDRIA, Va., Sept. 10 -- United States Patent no. 12,409,798, issued on Sept. 9, was assigned to Absolute Health & Performance Inc. (Austin, Texas).

"Powerblock for electrically powering equipment in a vehicle" was invented by Roy Ruijia Shi (Austin, Texas).

According to the abstract* released by the U.S. Patent & Trademark Office: "A mobile power system for electrically powering equipment in a vehicle, where the system contains two electrical circuits operating at two different voltages. One of the two circuits is for providing power to and using power from the batteries onboard the mobile power system, and the other of the two circuits is for providing power to and using power from the vehicle battery. Voltage converting chargers co...