Patents by Inventor Oskar Burkart

Oskar Burkart 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).

  • Device for damping vibration of a ski
    Patent number: 4018454
    Abstract: A vibratory system having one or more resonant frequencies between 1 Hz and 40 Hz is provided on the ski and exerts forces on the ski to oppose the excursions of the latter.
    Type: Grant
    Filed: February 23, 1976
    Date of Patent: April 19, 1977
    Assignee: Hannes Marker
    Inventor: Oskar Burkart