Patents by Inventor Mark S. Kelsey

Mark S. Kelsey 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).

  • In-line skate tool
    Patent number: D400066
    Type: Grant
    Filed: February 18, 1997
    Date of Patent: October 27, 1998
    Inventors: Mark S. Kelsey, A. M. Hay, Stephen J. Barbarisi