Patents by Inventor Walter Ashby

Walter Ashby has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 4334695
    Abstract: A tricycle which includes a treadmill walked by a rider in order to power the vehicle, the treadmill including an endless belt, on which the rider's feet are placed, and the treadmill driving a system of pulleys, that turn an axle on which the rear wheels are affixed.
    Type: Grant
    Filed: March 10, 1980
    Date of Patent: June 15, 1982
    Inventor: Walter Ashby