Patents by Inventor Borut Ravnikar

Borut Ravnikar 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).

  • Wheel
    Patent number: 4211268
    Abstract: A wheel has a plurality of variable length spokes extending radially from the hub to the rim and supporting the rim coaxially around the hub. Spoke length varying devices vary the lengths of the spokes.
    Type: Grant
    Filed: April 28, 1978
    Date of Patent: July 8, 1980
    Inventor: Borut Ravnikar