Patents by Inventor Kevin Keizer

Kevin Keizer 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).

  • Revolving backlit sign
    Patent number: 5524372
    Abstract: A revolving backlit sign having a continuous translucent medium which engages the perimeter of a plurality of translucent drive rollers, the drive rollers being rotated by a drive band associated with an electric motor, and one or more light sources located within the perimeter of the drive rollers. A housing is also provided which encloses the drive rollers and continuous medium.
    Type: Grant
    Filed: November 1, 1994
    Date of Patent: June 11, 1996
    Assignee: Intermark Corp.
    Inventors: Frank A. Trotta, Kevin Keizer