Patent Grant
D282960
| Number | Name | Date | Kind |
|---|---|---|---|
| D159174 | Thompson | Jun 1950 | |
| D230641 | Mowbray | Mar 1974 | |
| D235261 | Wichman et al. | Jun 1975 | |
| D252819 | Watson | Sep 1979 | |
| D276453 | De Vroom | Nov 1984 | |
| 3799453 | Hart | Mar 1974 | |
| 4050632 | Wyse | Sep 1977 | |
| 4130247 | Healy | Dec 1978 | |
| 4165039 | Zielinski | Aug 1979 | |
| 4185781 | O'Brien | Jan 1980 | |
| 4221336 | Diamond | Sep 1980 | |
| 4364519 | Kreitzberg | Dec 1982 | |
| 4438884 | O'Brien et al. | Mar 1984 |
