Patents by Inventor Ronald A. Steinbrecher

Ronald A. Steinbrecher 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).

  • Magnetic game apparatus
    Patent number: 4013293
    Abstract: A game played on a board like a checker board, in which the men and the playing squares of the board incorporate permanent magnets poled to add randomness to the intended moves of the player.
    Type: Grant
    Filed: November 6, 1975
    Date of Patent: March 22, 1977
    Assignee: H & S Enterprises, Inc.
    Inventors: Richard E. Hess, Ronald A. Steinbrecher, Stephen A. A. Goddard