Patents by Inventor Olaf John Gabrielsen

Olaf John Gabrielsen 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).

  • Dart holder
    Patent number: D446825
    Type: Grant
    Filed: October 19, 1998
    Date of Patent: August 21, 2001
    Inventor: Olaf John Gabrielsen