Patents by Inventor John M. Mahaffey

John M. Mahaffey 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).

  • Portable electric generator for a vehicle
    Patent number: 4556247
    Abstract: A portable electric generator for a recreational land wheeled vehicle in the form of a trailer unit which is connected to the vehicle and towed thereby. The generator is to be activatable from within the vehicle and can be operated during movement of the vehicle.
    Type: Grant
    Filed: September 2, 1983
    Date of Patent: December 3, 1985
    Inventor: John M. Mahaffey