Patent Grant
D323171
| Number | Name | Date | Kind |
|---|---|---|---|
| D268761 | Brown | Apr 1983 | |
| 2466907 | Nabolny et al. | Apr 1949 | |
| 2800160 | Wilson et al. | Jul 1957 | |
| 3948164 | Pobuda et al. | Apr 1976 | |
| 4213387 | McCaney et al. | Jul 1980 | |
| 4333397 | Modes | Jun 1982 | |
| 4442768 | Bailey | Apr 1984 | |
| 4561351 | Adec | Dec 1985 | |
| 4976196 | Phillips et al. | Dec 1990 |
