Number | Name | Date | Kind |
---|---|---|---|
D238119 | Rhee | Dec 1975 | |
D271249 | Farquharson | Nov 1983 | |
D271347 | Bourque | Nov 1980 | |
D318747 | Barker | Jul 1991 | |
3897597 | Kasper | Aug 1975 | |
3984875 | Farquharson | Oct 1976 | |
4404690 | Farquharson | Sep 1983 | |
4477929 | Mattsson | Oct 1984 | |
5101517 | Douglas | Apr 1992 | |
5148550 | Hodgkinson et al. | Sep 1992 | |
5249347 | Martinitz | Oct 1993 |