Patents by Inventor W. Thomas Craffey

W. Thomas Craffey 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).

  • Knife
    Patent number: D607529
    Type: Grant
    Filed: January 14, 2009
    Date of Patent: January 5, 2010
    Assignee: Personal Protective Systems, Inc.
    Inventor: W. Thomas Craffey
  • Knife
    Patent number: D607530
    Type: Grant
    Filed: January 14, 2009
    Date of Patent: January 5, 2010
    Assignee: Personal Protective Systems, Inc.
    Inventor: W. Thomas Craffey