Patent Grant
D290186
| Number | Name | Date | Kind |
|---|---|---|---|
| D187450 | Maxwell | Mar 1960 | |
| D229728 | Thomas | Dec 1973 | |
| D230531 | Thomas | Feb 1974 | |
| D255288 | Thomas | Jun 1980 | |
| D272677 | Bove et al. | Feb 1984 | |
| 1802323 | Aulmann | Apr 1931 | |
| 2642074 | Pedley et al. | Jun 1953 | |
| 2785731 | Welsh | Mar 1957 | |
| 2811978 | Russell | Nov 1957 | |
| 3289685 | Parker | Dec 1966 | |
| 3524456 | Dixon | Aug 1970 | |
| 3550602 | Hesterman et al. | Dec 1970 | |
| 3999565 | Delacour et al. | Dec 1976 | |
| 4044784 | Smith | Aug 1977 | |
| 4056115 | Thomas | Nov 1977 | |
| 4062372 | Slusher | Dec 1977 | |
| 4085763 | Thomas | Apr 1978 | |
| 4106521 | Thomas | Aug 1978 | |
| 4274430 | Schaaf et al. | Jun 1981 |
