Patents by Inventor Gene E. Campbell

Gene E. Campbell 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).

  • Coin drop game
    Patent number: 4177986
    Abstract: A container filled with liquid is provided with a coin receiving opening at one end. An adjustably mounted coin receiving cup is mounted inside the container. When a coin is inserted in the coin receiving opening, it falls in random path toward the bottom of the container. The operator of the game adjusts the position of the cup, trying to catch the coin before it reaches the bottom of the container.
    Type: Grant
    Filed: June 28, 1977
    Date of Patent: December 11, 1979
    Inventor: Gene E. Campbell