ALEXANDRIA, Va., Dec. 16 -- United States Patent no. 12,497,139, issued on Dec. 16, was assigned to Drew Allen Krah (Vashon, Wash.).
"Diver propulsion device" was invented by Drew Allen Krah (Vashon, Wash.).
According to the abstract* released by the U.S. Patent & Trademark Office: "Diver propulsion devices and methods of propelling the devices and divers upon and beneath the sea are presented. A diver propulsion device is comprised of a wing buoyant in water, an electric motor propulsion system, a leash interconnecting the wing and diver, which leash may integrate control circuitry of the motor, photovoltaics atop the wing, and, batteries, each electrically connecting the motors, fins attaching the wing provide hydrofoil flight stabiliza...