ALEXANDRIA, Va., July 9 -- United States Patent no. 12,355,287, issued on July 8, was assigned to Yellow Power Systems LLC (Newberg, Ore.).

"Devices, systems, and methods for a direct-current energy storage to power an alternating current load" was invented by Anthonius Bakker (Newberg, Ore.) and Judith Deborah Homann (Vallejo, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method to connect a direct current power (DC) source to a universal alternating current (AC) load can include an energy storage device configured to output a fixed voltage in a range of 84-135 volts (for 120 volt based systems) or 180-264 volts (for a 230 volt based systems). The universal AC load has input comprising a diode bri...