Patents by Inventor Kevin J. Cardinal

Kevin J. Cardinal 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: D337209
    Type: Grant
    Filed: August 20, 1990
    Date of Patent: July 13, 1993
    Assignee: Kevin Cardinal
    Inventors: Kevin J. Cardinal, Gregory A. Hayes