Patents by Inventor Fred Maness

Fred Maness 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).

  • Litter box
    Patent number: 3954086
    Abstract: A hollow cabinet having a shutter forming a portion of the top of the cabinet for supporting an animal and rotatably driven to transfer the animal's excretion and soiled litter into the cabinet after the animal leaves. An automatic dispenser provides metered amounts of litter onto the shutter.
    Type: Grant
    Filed: January 20, 1975
    Date of Patent: May 4, 1976
    Inventor: Fred Maness