Patents by Inventor Jan Hatting

Jan Hatting 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 element
    Patent number: D314993
    Type: Grant
    Filed: November 29, 1989
    Date of Patent: February 26, 1991
    Assignee: Interlego A.G.
    Inventors: Jan Hatting, Ole V. Poulsen
  • Toy building element
    Patent number: D314995
    Type: Grant
    Filed: November 29, 1989
    Date of Patent: February 26, 1991
    Assignee: Interlego A.G.
    Inventors: Ole V. Poulsen, Jan Hatting