Patents by Inventor Paul R. Bartz

Paul R. Bartz 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).

  • Connected cards
    Patent number: D461496
    Type: Grant
    Filed: December 24, 1999
    Date of Patent: August 13, 2002
    Inventor: Paul R. Bartz
  • Array of cards
    Patent number: D410027
    Type: Grant
    Filed: August 15, 1997
    Date of Patent: May 18, 1999
    Inventor: Paul R. Bartz
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    Patent number: D420699
    Type: Grant
    Filed: March 15, 1999
    Date of Patent: February 15, 2000
    Inventor: Paul R. Bartz
  • Clip card
    Patent number: D433715
    Type: Grant
    Filed: February 14, 2000
    Date of Patent: November 14, 2000
    Inventor: Paul R. Bartz