Patents by Inventor Sakari Linna

Sakari Linna 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).

  • Game board
    Patent number: D258741
    Type: Grant
    Filed: July 17, 1978
    Date of Patent: March 31, 1981
    Inventors: Sakari Linna, Kari Ulvio