Patents by Inventor Darian Johnson

Darian Johnson 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).

  • Utility knife blade
    Patent number: D582229
    Type: Grant
    Filed: October 11, 2005
    Date of Patent: December 9, 2008
    Inventor: Darian Johnson