Patents by Inventor Steven de Kort

Steven de Kort 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).

  • Decorative grate
    Patent number: D689989
    Type: Grant
    Filed: February 27, 2013
    Date of Patent: September 17, 2013
    Assignee: National Diversified Sales, Inc.
    Inventors: Sharon M. Vessels, Steven de Kort
  • Decorative grate
    Patent number: D689990
    Type: Grant
    Filed: February 27, 2013
    Date of Patent: September 17, 2013
    Assignee: National Diversified Sales, Inc.
    Inventors: Sharon M. Vessels, Steven de Kort
  • Decorative grate
    Patent number: D689991
    Type: Grant
    Filed: February 27, 2013
    Date of Patent: September 17, 2013
    Assignee: National Diversfied Sales, Inc.
    Inventors: Sharon M. Vessels, Steven de Kort
  • Decorative grate
    Patent number: D689992
    Type: Grant
    Filed: February 27, 2013
    Date of Patent: September 17, 2013
    Assignee: National Diversified Sales, Inc.
    Inventors: Sharon M. Vessels, Steven de Kort