ALEXANDRIA, Va., Aug. 5 -- United States Patent no. 12,698,904, issued on Aug. 4.
"Electronic stove and universal power supply" was invented by Murray Ruben (Santa Barbara, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "An electronic stove incorporates a cylindrical outer shell and a concentric copper heater core. A foil heater surrounds the copper heater core and a heater control PCB carried in the outer shell is connected to the foil heater. A battery assembly has a cylindrical second outer shell carrying a battery pack. A power controller carried in the second outer shell is connected to the battery pack. A connector carriage is engaged between the battery assembly and cylindrical outer shell, exte...