Patent Grant
D325691
| Number | Name | Date | Kind |
|---|---|---|---|
| D289881 | Krumm | May 1987 | |
| D290681 | Pudwill | Jul 1987 | |
| 3861567 | Davis | Jan 1975 | |
| 3913799 | Davis | Oct 1975 | |
| 3985273 | Davis | Oct 1976 | |
| 3997084 | Davis | Dec 1976 | |
| 4024994 | Davis | May 1977 | |
| 4114781 | Doyel | Sep 1978 | |
| 4171072 | Davis | Oct 1979 | |
| 4249677 | Davis | Feb 1981 | |
| 4258866 | Bergman | Mar 1981 | |
| 4260076 | Bergman | Apr 1981 | |
| 4264021 | Davis | Apr 1981 | |
| 4273269 | Davis | Jun 1981 | |
| 4306671 | Fisher | Dec 1981 | |
| 4322022 | Bergman | Mar 1982 | |
| 4335834 | Zepkin | Jun 1982 | |
| 4376498 | Davis | Mar 1983 | |
| 4440324 | Lebecque | Apr 1984 | |
| 4615469 | Kishi et al. | Oct 1986 | |
| 4653675 | Ratzky | Mar 1987 | |
| 4685595 | Segatz | Aug 1987 | |
| 4706853 | Stonesifer et al. | Nov 1987 | |
| 5027984 | Gakhar et al. | Jul 1991 |
