This Day in Patent History: William S. Burroughs and the Calculating Machine
August 21, 1888 marked an important day in the history of mechanical calculation. On that date, William Seward Burroughs received U.S. Patent No. 388,116 for a “Calculating-Machine,” an invention that helped transform the way businesses performed arithmetic and recorded financial information. Burroughs’s invention used a system of keys, registers, and mechanical connections to assist with [...]










