Patents by Inventor Ronald F. Simon

Ronald F. Simon 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).

  • Radon exhaust vent cap
    Patent number: D309181
    Type: Grant
    Filed: October 25, 1988
    Date of Patent: July 10, 1990
    Inventor: Ronald F. Simon