Patents by Inventor William L. Retzer

William L. Retzer 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).

  • Accessory cover for a boat
    Patent number: 6129034
    Abstract: Herein taught is an accessory cover device which is removably attachable to an open-top boat. With the cover being of a size and shape to provide comfortable shelter for the user. Also, the cover is portable, and easily assembled and secured while the user is in the boat.
    Type: Grant
    Filed: September 18, 1998
    Date of Patent: October 10, 2000
    Inventors: Cathy D. Santa Cruz, Frank L. Davis, William L. Retzer