Patents by Inventor Henrik Liisberg

Henrik Liisberg 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: D277908
    Type: Grant
    Filed: December 7, 1981
    Date of Patent: March 12, 1985
    Assignee: Executive Office Concepts
    Inventor: Henrik Liisberg
  • Patent number: D365694
    Type: Grant
    Filed: July 28, 1994
    Date of Patent: January 2, 1996
    Inventor: Henrik Liisberg