Patent Grant
D376561
| Number | Name | Date | Kind |
|---|---|---|---|
| D216530 | Ziff | Feb 1970 | |
| D219827 | Milhalcheon | Feb 1971 | |
| D231516 | Johnson | Apr 1974 | |
| D235982 | Thompson | Jul 1975 | |
| D280308 | Cashmere | Aug 1985 | |
| D290151 | Cashmere | Jun 1987 | |
| D301111 | McDonnell | May 1989 | |
| D308711 | Katz | Jun 1990 | |
| D308996 | Katz | Jul 1990 | |
| D317194 | Brocone et al. | May 1991 | |
| 2139513 | Nelson et al. | Dec 1938 | |
| 3169779 | Haab | Feb 1965 | |
| 3580598 | De Pauw | May 1971 | |
| 3937482 | Johnson | Feb 1976 | |
| 4077638 | Lund | Mar 1978 | |
| 4561664 | Cashmere | Dec 1985 | |
| 4666171 | Sellers | May 1987 | |
| 4928983 | Maass | May 1990 | |
| 5273470 | Sneddon et al. | Dec 1993 |
