| Number | Name | Date | Kind |
|---|---|---|---|
| 658124 | Semple | Sep 1900 | |
| 751090 | Marold | Feb 1904 | |
| 2585089 | Caldwell et al. | Feb 1952 | |
| 4387490 | Blackburn et al. | Jun 1983 | |
| 4441677 | Byerly | Apr 1984 | |
| 4586499 | Kaletzky | May 1986 | |
| 4692970 | Anthony et al. | Sep 1987 | |
| 4795069 | Ferrill | Jan 1989 | |
| 5027477 | Seron | Jul 1991 | |
| 5121865 | Howard | Jun 1992 | |
| 5127137 | Krauss | Jul 1992 | |
| 5136756 | Krauss | Aug 1992 | |
| 5274887 | Fudaki | Jan 1994 | |
| 5365642 | Rekuc et al. | Nov 1994 | |
| 5414903 | Porteous | May 1995 | |
| 5475901 | Anscher | Dec 1995 | |
| 5561891 | Hsieh | Oct 1996 | |
| 5582337 | McPherson et al. | Dec 1996 | |
| 5669119 | Seron | Sep 1997 | |
| 5689860 | Matoba et al. | Nov 1997 | |
| 5842256 | Anscher | Dec 1998 |
| Number | Date | Country |
|---|---|---|
| 3837261 | May 1990 | DEX |
| Entry |
|---|
| Snugz USA Products Catalog, effective Jan. 1997. |