Patent Grant
D371668
| Number | Name | Date | Kind |
|---|---|---|---|
| D212876 | Ramsden et al. | Dec 1968 | |
| 2909298 | Baudhuin | Oct 1959 | |
| 3075603 | Baudhuin | Jan 1963 | |
| 3146903 | Bjorklund | Sep 1964 | |
| 3161309 | Baudhuin et al. | Dec 1964 | |
| 3241686 | Hurst | Mar 1966 | |
| 3251496 | Lamer et al. | May 1966 | |
| 3396858 | Baker et al. | Aug 1968 | |
| 3558172 | Lamer et al. | Jan 1971 | |
| 3675786 | Wilson | Jul 1972 | |
| 3759409 | Wenzel et al. | Sep 1973 | |
| 3888356 | Redelfs | Jun 1975 | |
| 3945503 | Cooper | Mar 1976 | |
| 4049132 | Stromback | Sep 1977 | |
| 4279347 | Appleman | Jul 1981 | |
| 4358020 | Thiele | Nov 1982 | |
| 4546852 | Martin et al. | Oct 1985 | |
| 4546891 | Lanigan, Sr. et al. | Oct 1985 | |
| 4667834 | Lanigan et al. | May 1987 | |
| 4747745 | Pippen et al. | May 1988 | |
| 4749328 | Lanigan, Jr. et al. | Jun 1988 | |
| 4858775 | Crouch | Aug 1989 | |
| 4877365 | lanigan, Jr. et al. | Oct 1989 |
