Patents by Inventor Donna Bergeson

Donna Bergeson 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: D309556
    Type: Grant
    Filed: August 24, 1987
    Date of Patent: July 31, 1990
    Inventor: Donna Bergeson