Patents by Inventor Lorraine A. Van Auken

Lorraine A. Van Auken 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).

  • Tennis scorekeeper
    Patent number: 4189143
    Abstract: A tennis scorekeeping device having a pair of separately formed scorekeeping units adapted to be mounted one each side of a tennis racquet handle between the head of the racquet and the handle grip of the racquet, first manually manipulatable means on one of said units for scoring game points won by opposing players, and second manually manipulatable means on the other of said units for scoring the games won by opposing players.
    Type: Grant
    Filed: August 3, 1977
    Date of Patent: February 19, 1980
    Inventors: John A. Van Auken, Lorraine A. Van Auken