Patents by Inventor Ronald L. MacMurdo

Ronald L. MacMurdo 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 device
    Patent number: 3964746
    Abstract: A magnetic game device comprises a game board composed of a non-magnetic material and a pair of playing pieces that magnetically cooperate with one another. The game board is formed with a U-shaped channel for slidably receiving one of the playing pieces. The other playing piece is maneuvered near the one playing piece in the channel for moving the one playing piece along the channel without having the playing pieces contact one another.
    Type: Grant
    Filed: June 9, 1975
    Date of Patent: June 22, 1976
    Inventor: Ronald L. MacMurdo