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| D224694 | McDowell, III | Aug 1972 | |
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| D341848 | Bigelow et al. | Nov 1993 | |
| D344543 | Lemon | Feb 1994 | |
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| 1336898 | Flynn | Apr 1920 | |
| 1377261 | McLain et al. | May 1921 | |
| 1753032 | Stein et al. | Apr 1930 | |
| 3365198 | Hay | Jan 1968 | |
| 3789547 | Chemarin | Feb 1974 | |
| 4186497 | Legoria | Feb 1980 | |
| 4197604 | Nakamura | Apr 1980 | |
| 4245429 | Katzman et al. | Jan 1981 | |
| 4300307 | Biasuzzi et al. | Nov 1981 | |
| 4427390 | Manger | Jan 1984 | |
| 4563159 | Hills et al. | Jan 1986 | |
| 4636172 | Fredericks | Jan 1987 | |
| 4696653 | McKeefery | Sep 1987 | |
| 5090935 | Monson | Feb 1992 | |
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| 5232392 | Ortiz | Aug 1993 | |
| 5417604 | Rafelman et al. | May 1995 | |
| 5447433 | Perry, Jr. | Sep 1995 | |
| 5553856 | Barnard | Sep 1996 | |
| 5554062 | Goldsen | Sep 1996 | |
| 5581922 | Heimann | Dec 1996 | |
| 5833465 | Jarzewiak | Nov 1998 |
| Number | Date | Country |
|---|---|---|
| 357320 | Sep 1931 | GBX |
| Entry |
|---|
| Pillow Talk, Butterick Patterns, Inc., Oct. 1979. |
| Alpha Critters, Playthings, p. 79, Mar. 1986. |