Patents by Inventor Ludwig Littmann

Ludwig Littmann 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).

  • Patent number: D437730
    Type: Grant
    Filed: March 21, 2000
    Date of Patent: February 20, 2001
    Assignee: Braun GmbH
    Inventor: Ludwig Littmann
  • Patent number: D440811
    Type: Grant
    Filed: December 15, 1999
    Date of Patent: April 24, 2001
    Assignee: Braun GmbH
    Inventors: Ludwig Littmann, Duy Phong Vu
  • Patent number: D445644
    Type: Grant
    Filed: September 20, 2000
    Date of Patent: July 31, 2001
    Assignee: Braun GmbH
    Inventor: Ludwig Littmann
  • Patent number: D447381
    Type: Grant
    Filed: September 6, 2000
    Date of Patent: September 4, 2001
    Assignee: Braun GmbH
    Inventor: Ludwig Littmann
  • Patent number: D514369
    Type: Grant
    Filed: January 12, 2004
    Date of Patent: February 7, 2006
    Assignee: Braun GmbH
    Inventor: Ludwig Littmann
  • Patent number: D525823
    Type: Grant
    Filed: February 18, 2005
    Date of Patent: August 1, 2006
    Assignee: Braun GmbH
    Inventor: Ludwig Littmann
  • Patent number: D526155
    Type: Grant
    Filed: February 18, 2005
    Date of Patent: August 8, 2006
    Assignee: Braun GmbH
    Inventor: Ludwig Littmann
  • Patent number: D526857
    Type: Grant
    Filed: February 18, 2005
    Date of Patent: August 22, 2006
    Assignee: Braun GmbH
    Inventor: Ludwig Littmann
  • Patent number: D460006
    Type: Grant
    Filed: August 27, 2001
    Date of Patent: July 9, 2002
    Assignee: Braun GmbH
    Inventors: Jürgen Greubel, Ludwig Littmann
  • Patent number: D531461
    Type: Grant
    Filed: February 18, 2005
    Date of Patent: November 7, 2006
    Assignee: Braun GmbH
    Inventor: Ludwig Littmann
  • Patent number: D538991
    Type: Grant
    Filed: May 23, 2006
    Date of Patent: March 20, 2007
    Assignee: Braun GmbH
    Inventor: Ludwig Littmann
  • Patent number: D470710
    Type: Grant
    Filed: July 24, 2002
    Date of Patent: February 25, 2003
    Assignee: Braun GmbH
    Inventor: Ludwig Littmann
  • Patent number: D474062
    Type: Grant
    Filed: August 6, 2002
    Date of Patent: May 6, 2003
    Assignee: Braun GmbH
    Inventor: Ludwig Littmann
  • Patent number: D549044
    Type: Grant
    Filed: December 22, 2006
    Date of Patent: August 21, 2007
    Assignee: Braun GmbH
    Inventor: Ludwig Littmann
  • Patent number: D561531
    Type: Grant
    Filed: December 22, 2006
    Date of Patent: February 12, 2008
    Assignee: Braun GmbH
    Inventor: Ludwig Littmann
  • Patent number: D589258
    Type: Grant
    Filed: January 6, 2006
    Date of Patent: March 31, 2009
    Assignee: The Gillette Company
    Inventors: Ludwig Littmann, Fritz Schubert, Rory McGarry
  • Patent number: D589259
    Type: Grant
    Filed: January 6, 2006
    Date of Patent: March 31, 2009
    Assignee: The Gillette Company
    Inventors: Ludwig Littmann, Fritz Schubert, Rory McGarry
  • Patent number: D663567
    Type: Grant
    Filed: January 18, 2011
    Date of Patent: July 17, 2012
    Assignee: Braun GmbH
    Inventors: Ludwig Littmann, Markus Orthey
  • Patent number: D426105
    Type: Grant
    Filed: September 30, 1999
    Date of Patent: June 6, 2000
    Assignee: Braun GmbH
    Inventor: Ludwig Littmann
  • Patent number: D427478
    Type: Grant
    Filed: December 28, 1998
    Date of Patent: July 4, 2000
    Assignee: Braun GmbH
    Inventors: Ludwig Littmann, Jurgen Greubel