Patents by Inventor Jon A. Gerber

Jon A. Gerber 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).

  • Spiral manipulative game
    Patent number: 4004808
    Abstract: A game wherein a projectile is constrained for movement along a spiral path having a horizontally disposed axis. The projectile is engaged and propelled by hand-held elements manipulated by opposing players on opposite sides of the spiral path.
    Type: Grant
    Filed: March 29, 1976
    Date of Patent: January 25, 1977
    Inventor: Jon A. Gerber