ALEXANDRIA, Va., Aug. 6 -- United States Patent no. 12,381,043, issued on Aug. 5, was assigned to Atlas Power Technologies Inc. (Abbotsford, Canada).

"Serviceable electrostatic storage device" was invented by Mitchell Miller (Mission, Canada), Ali Khosrozadeh (Abbotsford, Canada) and Jian Liu (Kelowna, Canada).

According to the abstract* released by the U.S. Patent & Trademark Office: "A serviceable energy storage device, such as a capacitor, ultracapacitor or supercapacitor, includes electrodes made from activated carbon produced from a low-cost source, such as thermal coal or another low-cost feedstock. The serviceable energy storage device includes replaceable electrolyte comprising a low-cost co-solvent and salt solution. The activate...