Patents by Inventor Petrin Blaise

Petrin Blaise 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).

  • Ski repairing machine
    Patent number: 4881347
    Abstract: An apparatus for grinding the base of an alpine ski, comprising a frame, a reciprocating carriage mounted on the frame and being adapted to receive a ski, a base grinding tool mounted to the frame for engagement with the base of the ski, the movement of the carriage causing engagement between the grinding tool and the ski base in successive grinding strokes. The machine also comprises a pressure control device in operative relation to the grinding tool for maintaining the grinding pressure on the base generally constant during a grinding stroke.
    Type: Grant
    Filed: January 27, 1988
    Date of Patent: November 21, 1989
    Inventors: Petrin Mario, Petrin Blaise