Patents by Inventor Bernard Groten

Bernard Groten 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).

  • Retractable utility knife
    Patent number: D546656
    Type: Grant
    Filed: September 30, 2005
    Date of Patent: July 17, 2007
    Assignee: Zenten Bernhard Groten S.L.
    Inventor: Bernard Groten
  • Utility knife
    Patent number: D549067
    Type: Grant
    Filed: September 30, 2005
    Date of Patent: August 21, 2007
    Assignee: Zenten Berhard Groten, S.L.
    Inventor: Bernard Groten
  • Cutter knife
    Patent number: D549068
    Type: Grant
    Filed: December 11, 2003
    Date of Patent: August 21, 2007
    Assignee: Zenten Bernhard Groten, S.L.
    Inventor: Bernard Groten
  • Utility knife
    Patent number: D550056
    Type: Grant
    Filed: September 30, 2005
    Date of Patent: September 4, 2007
    Assignee: Zenten Bernhard Groten, S.L.
    Inventor: Bernard Groten
  • Tube cutter
    Patent number: D569702
    Type: Grant
    Filed: December 11, 2003
    Date of Patent: May 27, 2008
    Assignee: Zenten Bernhard Groten, S.L.
    Inventor: Bernard Groten
  • Cutter knife
    Patent number: D596474
    Type: Grant
    Filed: March 30, 2007
    Date of Patent: July 21, 2009
    Assignee: Zenten Bernhard Groten, S.L.
    Inventor: Bernard Groten