Patents by Inventor Jack E. Perkins

Jack E. Perkins 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).

  • Motorized walker for the disabled
    Patent number: 4280578
    Abstract: A walker device for aiding invalids and other persons having walking difficulties has an upstanding open-bottomed framework toward and within which a person can take steps while holding on and being supported by the framework. The framework is provided with wheels and is motorized, with controls conveniently located for activation by the person using the device.
    Type: Grant
    Filed: February 21, 1979
    Date of Patent: July 28, 1981
    Assignee: Margaret P. Roberts
    Inventor: Jack E. Perkins