Patents by Inventor Fred E. Barker

Fred E. Barker 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).

  • Three-wheeled pedal-propelled cycle with front and rear brakes
    Patent number: 4925202
    Abstract: A pedal-propelled tricycle includes two front wheels, a rear wheel, a pedal drive and a handle bar. The pedal drive serves to rotate the axle of one front wheel by way of a chain while a brake on the axle of the other front wheel is adapted to be operated from an actuator on the handle bar. The handle bar serves to steer the rear wheel and carries a second actuator for operating a brake on the rear wheel.
    Type: Grant
    Filed: April 6, 1989
    Date of Patent: May 15, 1990
    Inventor: Fred E. Barker