Patents by Inventor Richard D. Dvorak

Richard D. Dvorak 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: 4728107
    Abstract: A board game apparatus for playing a strategic and entertaining game. A game board and at least two types of playing pieces are provided. The game board is provided with a playing surface which displays a plurality of interconnected first symbols each of which displays a coded marking. Each coded marking is displayed on at least two first symbols on the game board. A plurality of first playing pieces are provided such that at least one first playing piece displays each code marked on a first symbol. Each of two or more players receives a set of distinguishable second playing pieces for placement on the first pieces he or she possesses on the game board. Each turn each player places at least one first playing piece on the game board at the first symbol of his or her choice marked with that same code. Players seek to position first playing pieces on first symbols sharing common boundaries, thereby creating chains.
    Type: Grant
    Filed: May 30, 1986
    Date of Patent: March 1, 1988
    Inventors: Robert E. Dvorak, Richard D. Dvorak