Patents by Inventor William Henry Hardy

William Henry Hardy 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).

  • Apparatus for randomly marking a game card
    Patent number: 6047635
    Abstract: Apparatus for randomly marking a game card comprises an array of marking means (46, 48) independently moveable within respective apertures (40) from a stowed position to a deployed position to mark a game card, a plurality of balls (62), the number of which is less than the number of marking means, each ball being capable of entering wholly a randomly selected one of the apertures, and means (64) for engaging each ball when located in its respective aperture to move its related marking means from the stowed position to the deployed position.
    Type: Grant
    Filed: April 20, 1998
    Date of Patent: April 11, 2000
    Inventor: William Henry Hardy