| 摘要 |
In an instant bingo game card marking of numbers on a player card (18,20,22,24) portion is effected while the numbers are at all times visible, there being indicating means (26,28,30) adapted to function so as to provide a change from a darker to a lighter colour. In one embodiment the indicating means (26,28,30) is covered by a scratch-off layer. <IMAGE> |
| 申请人 |
SCIENTIFIC GAMES INC., ALPHARETTA, GA., US |
发明人 |
BEHM, WILLIAM FREDERICK, MARIETTA, GEORGIA 30062, US;TEVIS, MARK CHILES, CUMMING, GEORGIA 30130, US |
