Patents by Inventor Joseph S. Biermann

Joseph S. Biermann 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: 6490997
    Abstract: A cat climbing and scratching device for providing a scratching and perching area for cats. The cat climbing and scratching device includes a base. A pole has a first end coupled to the base such that the pole extends upwardly from the base. The pole is generally centered on the top surface of the base. A top wall has a bottom surface and a top surface. A second end of the pole is attached to the bottom surface of the top wall. A substantially rigid helical member is positioned around the pole and has a first end positioned adjacent to the top surface of the base and a second end positioned adjacent to the bottom surface of the top wall. Each of plurality of rods has a first end attached to the pole and a second end attached to the helical member. The rods are spaced from each other.
    Type: Grant
    Filed: April 12, 2001
    Date of Patent: December 10, 2002
    Inventors: Joseph S. Biermann, Michael Biermann