Patents by Inventor Teuvo Karppinen

Teuvo Karppinen 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).

  • Vehicle Tyre
    Publication number: 20080121323
    Abstract: The invention relates to a low-function vehicle tyre for driving training and to a method of producing a tyre. The tyke is characterized in that the contact surface of the tyre is a low-friction contact surface comprising grip-weakening material for enabling winter driving training.
    Type: Application
    Filed: November 2, 2005
    Publication date: May 29, 2008
    Inventor: Teuvo Karppinen