Patents by Inventor Frank Hrachowitz

Frank Hrachowitz 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 binding apparatus
    Patent number: 4157192
    Abstract: An improved arrangement for holding the rear end of a sole plate on which is mounted a ski boot to the upper surface of a ski. A lock is provided for securing the rear end of the sole plate to the ski, which lock is nonmovable in the position of use of the sole plate and during occurrences of a safety release of the sole plate from engagement with the ski but, on the other hand, is manually movable against the force of a spring.
    Type: Grant
    Filed: July 28, 1976
    Date of Patent: June 5, 1979
    Assignee: Gertsch AG
    Inventors: Frank Hrachowitz, Rossler Ernst, Josef Svoboda