Patents by Inventor Malthe Bruun Ludvigsen

Malthe Bruun Ludvigsen 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).

  • Toy building brick
    Patent number: D600291
    Type: Grant
    Filed: October 31, 2008
    Date of Patent: September 15, 2009
    Assignee: 3L-Rask APS
    Inventors: Rikke Christensen, Malthe Bruun Ludvigsen, Mads Sandahl Christensen, Lars Christensen, Frits Ludvigsen
  • Toy building brick socket
    Patent number: D610628
    Type: Grant
    Filed: August 6, 2009
    Date of Patent: February 23, 2010
    Assignee: 3L-Rask APS
    Inventors: Rikke Christensen, Malthe Bruun Ludvigsen, Mads Sandahl Christensen, Lars Christensen, Frits Ludvigsen