Patents by Inventor Knut Berntsen

Knut Berntsen 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).

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    Patent number: D632297
    Type: Grant
    Filed: October 5, 2009
    Date of Patent: February 8, 2011
    Inventor: Knut Berntsen
  • Card holder
    Patent number: D632695
    Type: Grant
    Filed: October 5, 2009
    Date of Patent: February 15, 2011
    Inventor: Knut Berntsen
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    Patent number: D667829
    Type: Grant
    Filed: February 18, 2011
    Date of Patent: September 25, 2012
    Inventor: Knut Berntsen