Number | Name | Date | Kind |
---|---|---|---|
2072799 | Creswell | Mar 1937 | A |
5816576 | Aramapakul et al. | Oct 1998 | A |
6017034 | Hennessey | Jan 2000 | A |
6142475 | Hennessey | Nov 2000 | A |
6196547 | Pascal et al. | Mar 2001 | B1 |
6247697 | Jewett | Jun 2001 | B1 |
6302397 | Al-Shanfa | Oct 2001 | B1 |
6332615 | Watanabe | Dec 2001 | B1 |
Entry |
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Scarne's Encyclopedia of Games, By John Scarne, Harper & Row Publishers, 1973 pp. 33-83. |