Patents by Inventor Rollin T. Williams

Rollin T. Williams 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).

  • Patent number: 4102547
    Abstract: A sanitary device, or pet valet, suitable for scavenging animal waste is disclosed. A box-like two-compartment container is utilized with a hand grip and finger trigger. The forward compartment is open on its bottom face and in use this compartment is placed over the refuse. A spring loaded face plate which divides the compartments is activated by the finger trigger. When released the plate pushes the debris rearwardly into the second compartment. The second rearward compartment acts as a holding area for the debris which may be emptied from this compartment by releasing a hinged bottom plate.
    Type: Grant
    Filed: November 18, 1977
    Date of Patent: July 25, 1978
    Inventor: Rollin T. Williams