ALEXANDRIA, Va., March 19 -- United States Patent no. 12,252,936, issued on March 18, was assigned to MulePro Industries LLC (Benbrook, Texas).
"Building ladder hoist" was invented by Richard A. Hamon (Benbrook, Texas).
According to the abstract* released by the U.S. Patent & Trademark Office: "A carrier building ladder hoist that contains a removable carrier casing and a winch casing allowing a user to hoist items. The ladder hoist contains a padded back and straps to allow an individual to carry it on their back and wheels and a tow handle to allow the user to tow it behind them. The side surfaces of the winch casing in ladder hoist have grooves in them to allow a user to hook the ladder hoist to a ladder. The ladder hoist has a winch s...