ALEXANDRIA, Va., March 5 -- United States Patent no. 12,239,587, issued on March 4, was assigned to GAME CHANGER TECHNOLOGIES INC. (Victoria, Canada).
"Wheelchair propulsion system" was invented by Brent C. Nimeck (Victoria, Canada) and Jeffrey R. Scott (Victoria, Canada).
According to the abstract* released by the U.S. Patent & Trademark Office: "An electric wheelchair propulsion system for a wheelchair. The propulsion system has a first and a second torque transfer hub rotatably mounted to a respective first and second drive wheel of the wheelchair, and an elongated axle tube arranged between the first and second hubs. First and second motors are arranged within the axle tube extending from opposing ends thereof. First and second drive ...