Patents by Inventor Denis Norton

Denis Norton 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).

  • Shoe sole
    Patent number: D402798
    Type: Grant
    Filed: February 24, 1998
    Date of Patent: December 22, 1998
    Assignee: Rocky Shoes & Boots, Inc.
    Inventors: Denis Norton, Diana A. Wurfbain
  • Shoe sole
    Patent number: D412777
    Type: Grant
    Filed: August 19, 1998
    Date of Patent: August 17, 1999
    Inventors: Denis Norton, Diana A. Wurfbain
  • Shoe upper
    Patent number: D424797
    Type: Grant
    Filed: August 19, 1998
    Date of Patent: May 16, 2000
    Assignee: Rocky Shoes & Boots, Inc.
    Inventors: Denis Norton, Diana A. Wurfbain