Patents by Inventor Mark S. Coulter

Mark S. Coulter 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).

  • Safe door
    Patent number: D645224
    Type: Grant
    Filed: January 11, 2011
    Date of Patent: September 13, 2011
    Assignee: Stack-On Products Company
    Inventors: Paul Richard Hunt, Mark S. Coulter
  • Safe door
    Patent number: D645225
    Type: Grant
    Filed: January 11, 2011
    Date of Patent: September 13, 2011
    Assignee: Stack-On Products Company
    Inventors: Paul Richard Hunt, Mark S. Coulter
  • Safe door
    Patent number: D654655
    Type: Grant
    Filed: January 11, 2011
    Date of Patent: February 21, 2012
    Assignee: Stack-On Products Company
    Inventors: Paul Richard Hunt, Mark S. Coulter
  • Safe door
    Patent number: D664325
    Type: Grant
    Filed: January 11, 2011
    Date of Patent: July 24, 2012
    Assignee: Stack-On Products Company
    Inventors: Paul Richard Hunt, Mark S. Coulter