Patents by Inventor Karl T. Sterner

Karl T. Sterner 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).

  • Support structure for a fish net
    Patent number: D260168
    Type: Grant
    Filed: May 17, 1978
    Date of Patent: August 11, 1981
    Inventor: Karl T. Sterner
  • Fish food dispenser
    Patent number: D320481
    Type: Grant
    Filed: November 2, 1988
    Date of Patent: October 1, 1991
    Inventor: Karl T. Sterner