Patents Assigned to Ritter-Pen GmbH
  • Ballpoint pen
    Patent number: D584354
    Type: Grant
    Filed: September 13, 2007
    Date of Patent: January 6, 2009
    Assignee: Ritter-Pen GmbH
    Inventor: Uwe Koch
  • Ballpoint pen
    Patent number: D588641
    Type: Grant
    Filed: December 20, 2007
    Date of Patent: March 17, 2009
    Assignee: Ritter-Pen GmbH
    Inventor: Uwe Koch
  • Ballpoint pen
    Patent number: D590441
    Type: Grant
    Filed: September 7, 2007
    Date of Patent: April 14, 2009
    Assignee: Ritter-Pen GmbH
    Inventor: Uwe Koch
  • Ballpoint pen
    Patent number: D596228
    Type: Grant
    Filed: May 9, 2008
    Date of Patent: July 14, 2009
    Assignee: Ritter Pen GmbH
    Inventor: Uwe Koch
  • Ballpoint pen
    Patent number: D596232
    Type: Grant
    Filed: May 9, 2008
    Date of Patent: July 14, 2009
    Assignee: Ritter Pen GmbH
    Inventor: Uwe Koch
  • Ballpoint pen
    Patent number: D598497
    Type: Grant
    Filed: May 9, 2008
    Date of Patent: August 18, 2009
    Assignee: Ritter Pen GmbH
    Inventor: Uwe Koch
  • Ballpoint pen
    Patent number: D646325
    Type: Grant
    Filed: March 23, 2010
    Date of Patent: October 4, 2011
    Assignee: Ritter Pen GmbH
    Inventor: Helmut Losel
  • Ballpoint pen
    Patent number: D646716
    Type: Grant
    Filed: April 29, 2010
    Date of Patent: October 11, 2011
    Assignee: Ritter Pen GmbH
    Inventor: Helmut Losel
  • Ballpoint pen
    Patent number: D646717
    Type: Grant
    Filed: April 29, 2010
    Date of Patent: October 11, 2011
    Assignee: Ritter Pen GmbH
    Inventor: Uwe Koch
  • Ballpoint pen
    Patent number: D647966
    Type: Grant
    Filed: April 29, 2010
    Date of Patent: November 1, 2011
    Assignee: Ritter Pen GmbH
    Inventor: Uwe Koch
  • Ballpoint pen
    Patent number: D650012
    Type: Grant
    Filed: March 23, 2010
    Date of Patent: December 6, 2011
    Assignee: Ritter Pen GmbH
    Inventor: Helmut Losel
  • Ballpoint pen
    Patent number: D656991
    Type: Grant
    Filed: March 23, 2010
    Date of Patent: April 3, 2012
    Assignee: Ritter Pen GmbH
    Inventor: Helmut Losel
  • Ballpoint pen
    Patent number: D662544
    Type: Grant
    Filed: March 15, 2011
    Date of Patent: June 26, 2012
    Assignee: Ritter-Pen GmbH
    Inventor: Helmut Losel
  • Ballpoint pen
    Patent number: D663770
    Type: Grant
    Filed: March 15, 2011
    Date of Patent: July 17, 2012
    Assignee: Ritter Pen GmbH
    Inventor: Uwe Koch
  • Ballpoint pen
    Patent number: D663771
    Type: Grant
    Filed: March 15, 2011
    Date of Patent: July 17, 2012
    Assignee: Ritter Pen GmbH
    Inventor: Helmut Losel
  • Ballpoint pen
    Patent number: D663772
    Type: Grant
    Filed: March 15, 2011
    Date of Patent: July 17, 2012
    Assignee: Ritter Pen GmbH
    Inventor: Helmut Losel
  • Ballpoint pen
    Patent number: D664196
    Type: Grant
    Filed: March 15, 2011
    Date of Patent: July 24, 2012
    Assignee: Ritter Pen GmbH
    Inventor: Fredy Buchler
  • Ballpoint pen
    Patent number: D670333
    Type: Grant
    Filed: March 15, 2011
    Date of Patent: November 6, 2012
    Assignee: Ritter-Pen GmbH
    Inventor: Uwe Koch
  • Ballpoint pen
    Patent number: D713880
    Type: Grant
    Filed: May 13, 2013
    Date of Patent: September 23, 2014
    Assignee: Ritter-Pen GmbH
    Inventor: Helmut Losel
  • Ballpoint pen
    Patent number: D713881
    Type: Grant
    Filed: May 13, 2013
    Date of Patent: September 23, 2014
    Assignee: Ritter-Pen GmbH
    Inventor: Uwe Koch