Patents by Inventor George M. Tonissen

George M. Tonissen 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).

  • Self cleaning conveyor roller
    Patent number: 4913279
    Abstract: This invention is a conveyor belt roller, including a pair of oppositely solid formed plates between circular plates affixed along a shaft for sweeping debris in axial direction.
    Type: Grant
    Filed: June 10, 1988
    Date of Patent: April 3, 1990
    Inventor: George M. Tonissen