Number | Name | Date | Kind |
---|---|---|---|
D248762 | Burgess et al. | Aug 1978 | |
D277325 | Hug | Jan 1985 | |
D293278 | Ohhira et al. | Jan 1988 | |
D295770 | Hilton | May 1988 | |
D310438 | Burns | Sep 1990 | |
D319517 | Sovis et al. | Aug 1991 | |
D328372 | Kieft | Jul 1992 | |
D338295 | Kieft | Aug 1993 | |
D342591 | Shoji et al. | Dec 1993 | |
D346053 | Hoshino | Apr 1994 | |
D357096 | Wareham | Apr 1995 | |
D361181 | Wareham et al. | Aug 1995 |