Patents by Inventor Riina Seppanen

Riina Seppanen 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).

  • Clamping sleeve for telescopic shaft
    Patent number: D591145
    Type: Grant
    Filed: May 9, 2006
    Date of Patent: April 28, 2009
    Assignee: Exel Oyj
    Inventors: Riikka Kosunen, Riina Seppanen, Jari Ristola