Patents by Inventor Gordon E. Drummond

Gordon E. Drummond 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).

  • Board game apparatus
    Patent number: 4139199
    Abstract: A game board having a grid thereon; numbers representing possible totals of a pair of dice sequentially designating grid spaces around the outer edges of the board; designated doubles grid spaces adjacent to the outer spaces containing numbers that can be obtained by doubling another number; and a series of central grid spaces that are arranged to be intercepts of other rows of spaces.
    Type: Grant
    Filed: November 21, 1977
    Date of Patent: February 13, 1979
    Inventor: Gordon E. Drummond