Patents by Inventor Robert K. Bulte

Robert K. Bulte 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).

  • Fastener head
    Patent number: D565943
    Type: Grant
    Filed: January 9, 2007
    Date of Patent: April 8, 2008
    Inventor: Robert K. Bulte
  • Fastener head
    Patent number: D580261
    Type: Grant
    Filed: February 19, 2008
    Date of Patent: November 11, 2008
    Inventor: Robert K. Bulte
  • Fastener head
    Patent number: D592044
    Type: Grant
    Filed: February 19, 2008
    Date of Patent: May 12, 2009
    Inventor: Robert K. Bulte