Patents by Inventor Hannu Kähönen

Hannu Kähönen 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).

  • Handle for fire pit door
    Patent number: D572566
    Type: Grant
    Filed: August 25, 2006
    Date of Patent: July 8, 2008
    Assignee: Tulikivi Oyj
    Inventor: Hannu Kähönen