ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,441,593, issued on Oct. 14.
"Portable battery powered jack" was invented by Ernest D. Deason (Foristell, Mo.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A screw jack with a lead screw that disengages from a traveling nut to prevent overdrive directly coupled to an electric motor though a series of planetary gears. A battery adapter mounted on an outer tube of the jack for attachment of a user's selected battery to the motor. A lift accessory with two lifting points, one a hook and the other a channel, bolted to a support bracket attached to an outer tube of the jack. A hanging accessory with toggle clamps at opposite ends of a beam for suspending the...