| Number | Name | Date | Kind |
|---|---|---|---|
| 606744 | St. John | Jul 1898 | |
| 1009421 | Lankler | Nov 1911 | |
| 1509873 | Ordway | Sep 1924 | |
| 2474447 | Wheelock | Jun 1949 | |
| 2935936 | Woodring et al. | May 1960 | |
| 3010228 | Torre | Nov 1961 | |
| 3122684 | Genin | Feb 1964 | |
| 3674264 | Boercker | Jul 1972 | |
| 3853321 | Claffie | Dec 1974 |
| Entry |
|---|
| Playthings 5-1972, p. 37, Leapin' Letters. |
| Cleo Learning Aids Catalog, 2/28/1976, p. 172, Alphabet Game. |