Patents by Inventor Gary L. Hammer

Gary L. Hammer 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).

  • John boat and carrying system
    Patent number: D389974
    Type: Grant
    Filed: April 24, 1997
    Date of Patent: January 27, 1998
    Inventors: Gary L. Hammer, Stacy L. Hammer