Patents by Inventor Douglas Caires

Douglas Caires 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: 5762161
    Abstract: A motor vehicle comprises ground engaging means and driving means for driving the ground engaging means and including a rotatable drive shaft, the drive shaft being provided with means for generating electric current.
    Type: Grant
    Filed: January 27, 1995
    Date of Patent: June 9, 1998
    Inventors: Richard Caires, Douglas Caires