Items Invented by James G. Chapman
- Diamond Chess II. Game on diamond-shaped board with 98 triangular cells. Author: Ed Friedlander. Inventor: Bart D. Follis and James G. Chapman.
|1 'Java Program' entry listed||1 'Large board' entry listed|
|1 'Unorthodox shaped board' entry listed||1 'Sold commercially' entry listed|
Total items listed: 1