Patents by Inventor Russell V. Ringquist

Russell V. Ringquist 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).

  • Patent number: 4025075
    Abstract: This device is a three dimensional wildcat oil drilling game having a three dimensional game board, the surface of the game board having various identified geograhical sub areas, or sections, each sub area or section having a plurality of perforations therein, a sub stratum device mounted within the game board, beneath the game board surface, and a random stratum rotating device extending through the game board. A spinner wheel is provided for chance selection of the geographical sections. There is also provided a plurality of barrel symbols, each having a peg extending therefrom for placement in peg boards for keeping a record of the value of a player's oil holdings. Identified exploration cards are provided for indicating title rights to various wells.
    Type: Grant
    Filed: July 15, 1975
    Date of Patent: May 24, 1977
    Assignees: Gustave Miller, Martin T. Priska, Russel V. Ringquist
    Inventors: Martin T. Priska, Russell V. Ringquist