Patents by Inventor Mark Duennes

Mark Duennes 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).

  • Scroll saw
    Patent number: D508506
    Type: Grant
    Filed: September 24, 2004
    Date of Patent: August 16, 2005
    Assignee: Credo Technology Corporation
    Inventors: Charles Hulsey, Matthew J. Oblak, Timmy Hsiao, Kun Chuan Hung, Mark Duennes, Robert Monfeli
  • Hand held rotary cutting tool
    Patent number: D364790
    Type: Grant
    Filed: August 12, 1994
    Date of Patent: December 5, 1995
    Assignee: S-B Power Tool Company
    Inventor: Mark Duennes
  • Work lamp
    Patent number: D403455
    Type: Grant
    Filed: March 6, 1998
    Date of Patent: December 29, 1998
    Assignee: S-B Power Tool Company
    Inventor: Mark Duennes