Patents by Inventor John H. Dennesen

John H. Dennesen 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).

  • Swimmer's exercise band
    Patent number: D320832
    Type: Grant
    Filed: October 28, 1988
    Date of Patent: October 15, 1991
    Inventor: John H. Dennesen