Patents by Inventor Kenneth J. Butterfield

Kenneth J. Butterfield 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).

  • Snowboard equalizing hook
    Patent number: 5356159
    Abstract: A brace shaped and dimensioned to receive the tip of a snowboard-riding boot is swivelingly mounted on the top surface of a snowboard to facilitate the carrying of the board while riding a ski-lift with one foot fully engaged in one of the boot-binding fixture and the other foot engaged into the brace.
    Type: Grant
    Filed: November 22, 1993
    Date of Patent: October 18, 1994
    Inventor: Kenneth J. Butterfield