Patents by Inventor Charles Compagnucci

Charles Compagnucci 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).

  • Ventilated pet litter box
    Patent number: 5134972
    Abstract: A ventilated pet litter box for use in a closed space includes a litter receptacle, a receptacle cover, a vibration-damped exhaust fan communicating with the receptacle cover and a wall orifice attachment, and a wall orifice attachment to discharge ventilating forced-air to outside of the closed space.
    Type: Grant
    Filed: November 18, 1991
    Date of Patent: August 4, 1992
    Inventor: Charles Compagnucci