Patent Grant
D372786
| Number | Name | Date | Kind |
|---|---|---|---|
| 834790 | Wolford | Oct 1906 | |
| 2862676 | Castelli | Dec 1958 | |
| 2921493 | Emmert | Jan 1960 | |
| 2999313 | Emmert | Sep 1961 | |
| 3176572 | Comet | Apr 1965 | |
| 3530583 | Klein et al. | Sep 1970 | |
| 3788175 | Davis | Jan 1974 | |
| 3903601 | Anderson et al. | Sep 1975 | |
| 4038753 | Klein | Aug 1977 | |
| 4217686 | Dragan | Aug 1980 | |
| 4330271 | Anderson | May 1982 | |
| 4499802 | Simpson | Feb 1985 | |
| 4713001 | Klein et al. | Dec 1987 | |
| 5005730 | Pickwell, Jr. et al. | Apr 1991 | |
| 5016766 | Klein et al. | May 1991 | |
| 5203694 | Klein | Apr 1993 | |
| 5221033 | Klein et al. | Jun 1993 | |
| 5280741 | Bell et al. | Jan 1994 | |
| 5326260 | Klein et al. | Jul 1994 |
