He had spoken to a close friend , Geoffrey Bull ( who had invented the board game Buccaneer ) , and it was Bull who introduced him to Norman Watson , managing director of games manufacturer Waddingtons .
Pratt filed his original patent application on 1 December 1944 .
Pratt had spoken to a close friend , Geoffrey Bull ( who had invented the board game Buccaneer ) , and it was Bull who introduced Pratt to Norman Watson , managing director of games manufacturer Waddingtons .
Pratt filed his original patent application on 1 December 1944 .