Patents by Inventor Robert D. Tringali

Robert D. Tringali 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 boot
    Patent number: 4372062
    Abstract: A ski boot comprising an outer boot having a sole, a plate disposed on the sole inside the boot, the plate adapted to receive the skier's foot and to transmit forward pressure of the foot, plantar-flexion caused by the tibio-talar joint, to the edge of an attached ski for turning.
    Type: Grant
    Filed: December 29, 1980
    Date of Patent: February 8, 1983
    Assignee: Joel H. Eisenberg
    Inventor: Robert D. Tringali