Patents by Inventor Peter M. Ryder

Peter M. Ryder 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).

  • Windproof umbrella
    Patent number: 4804008
    Abstract: A windproof umbrella is provided and contains vents to release air pressure build up from below the umbrella cover so that the umbrella will not turn inside out. In a modification vents can be adapted to be attached to a standard umbrella so that air pressure build up can be eliminated.
    Type: Grant
    Filed: October 28, 1987
    Date of Patent: February 14, 1989
    Inventors: Peter M. Ryder, George Spector