Patent Grant
D324464
| Number | Name | Date | Kind |
|---|---|---|---|
| D316794 | Volgger et al. | May 1991 | |
| 3364959 | Herman et al. | Jan 1968 | |
| 3853244 | Neumann | Dec 1974 | |
| 3915207 | Greenfield, Jr. et al. | Oct 1975 | |
| 4390975 | Shawhan | Jun 1983 | |
| 4590975 | Credle, Jr. | May 1986 | |
| 4825758 | Snowball et al. | May 1989 | |
| 4951719 | Wiley et al. | Aug 1990 |
| Number | Date | Country |
|---|---|---|
| 1395702 | Jun 1972 | GBX |
