Patents by Inventor Frank J. Grandinetti

Frank J. Grandinetti 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).

  • Storm drain diverter
    Patent number: 6135140
    Abstract: The invention comprises a diverter device which has an expandable perimeter for removably mounting same to a storm drain and comprises a passageway therethrough for the directing the controlled flow of air and/or fluids from the storm drain during a back-flow incident.
    Type: Grant
    Filed: June 8, 1998
    Date of Patent: October 24, 2000
    Inventor: Frank J. Grandinetti