Patents by Inventor William Harris Knight

William Harris Knight 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).

  • Scissors
    Patent number: D472122
    Type: Grant
    Filed: June 20, 2002
    Date of Patent: March 25, 2003
    Assignee: Acme United Corporation
    Inventors: Timothy Roland Manson, William Harris Knight, Stephen Paul Hughes
  • Scissors
    Patent number: D473438
    Type: Grant
    Filed: June 20, 2002
    Date of Patent: April 22, 2003
    Assignee: Acme United Corporation
    Inventors: Timothy Roland Manson, William Harris Knight, Stephen Paul Hughes