Patents by Inventor Alois J. Betschart

Alois J. Betschart 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).

  • Downhill sledding system
    Patent number: 4246846
    Abstract: A sledding system having a track installed on a ski slope in the summer has U-shaped track sections with a flat bottom and substantially upright sides which serve to retain a driver controlled sled sliding on the track. Braking is provided by extendable side brakes which engage the upright sides.
    Type: Grant
    Filed: May 19, 1978
    Date of Patent: January 27, 1981
    Inventor: Alois J. Betschart