Patents by Inventor Stig Alexander M. Spangsberg

Stig Alexander M. Spangsberg 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).

  • Element for a toy building set
    Patent number: D329881
    Type: Grant
    Filed: December 4, 1990
    Date of Patent: September 29, 1992
    Assignee: Interlego A.G.
    Inventor: Stig Alexander M. Spangsberg
  • Bush element for a toy building set
    Patent number: D337624
    Type: Grant
    Filed: November 6, 1991
    Date of Patent: July 20, 1993
    Assignee: Interlego A.G.
    Inventors: Jens N. Knudsen, Stig Alexander M. Spangsberg
  • Element for a toy building set
    Patent number: D342554
    Type: Grant
    Filed: November 24, 1992
    Date of Patent: December 21, 1993
    Assignee: Interlego A.G.
    Inventors: Stig Alexander M. Spangsberg, Carsten Ron
  • Visor for a toy figure
    Patent number: D349537
    Type: Grant
    Filed: November 24, 1992
    Date of Patent: August 9, 1994
    Assignee: Interlego, A.G.
    Inventors: Stig Alexander M. Spangsberg, Carsten Ron