Number | Date | Country | Kind |
---|---|---|---|
8431070 | Dec 1984 | GBX |
Number | Name | Date | Kind |
---|---|---|---|
4184683 | Hooker | Jan 1980 | |
4200291 | Hooker | Apr 1980 |
Number | Date | Country |
---|---|---|
581358 | Oct 1976 | CHX |
619372 | Sep 1980 | CHX |
1359852 | Jul 1974 | GBX |
1553117 | Sep 1979 | GBX |
1568522 | May 1980 | GBX |
1591623 | Jun 1981 | GBX |
2137392 | Mar 1984 | GBX |
Entry |
---|
PCT Application WO80/02512, Krause, "Computerized Gaming System", 10/4/80. |