Number | Name | Date | Kind |
---|---|---|---|
D320338 | Mastrogiovanni | Oct 1991 | |
4630989 | Davey | Dec 1986 | |
4634334 | Hahn et al. | Jan 1987 | |
4648781 | Sikora | Mar 1987 | |
4865507 | Trickle | Sep 1989 | |
4887954 | Gregerson et al. | Dec 1989 | |
4988254 | Alexander | Jan 1991 | |
5203663 | Ruppe | Apr 1993 | |
5212846 | Hahn | May 1993 |