Patents by Inventor Douglas E. Clausen

Douglas E. Clausen 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).

  • Portion of a countertop
    Patent number: D607240
    Type: Grant
    Filed: September 29, 2006
    Date of Patent: January 5, 2010
    Assignee: V-T Industries Inc.
    Inventor: Douglas E. Clausen
  • Portion of a countertop
    Patent number: D607241
    Type: Grant
    Filed: September 29, 2006
    Date of Patent: January 5, 2010
    Assignee: V-T Industries Inc.
    Inventor: Douglas E. Clausen
  • Portion of a countertop
    Patent number: D607242
    Type: Grant
    Filed: September 29, 2006
    Date of Patent: January 5, 2010
    Assignee: V-T Industries Inc.
    Inventor: Douglas E. Clausen