| Number | Name | Date | Kind |
|---|---|---|---|
| 3924340 | Tammone | Dec 1975 | |
| 4027884 | Oakley | Jun 1977 | |
| 4652014 | Maher | Mar 1987 | |
| 4715621 | Colauito et al. | Dec 1987 | |
| 4778183 | Luisi | Oct 1988 | |
| 4863194 | Friedman | Sep 1989 | |
| 5056824 | Olson | Oct 1991 | |
| 5100326 | Leep et al. | Mar 1992 | |
| 5358280 | Scales | Oct 1994 |
| Number | Date | Country |
|---|---|---|
| 1196661 | Nov 1985 | CAX |
| Entry |
|---|
| Casino Strategy Cards by Pocketec of Margate, N.J. |
| Blackjack Master by Idea Bank Company Las Vegas, Nev. |
| Playing Blackjack as a Business by Paul Mann Publishing Co., of Las Vegas, Nev. |
| Casino 21 Basic Strategy Calculator by Thornton and Associates. |
| Flash Jack by Blue Bear Press of Solana Beach, CA 92075. |