| Number | Name | Date | Kind |
|---|---|---|---|
| D286736 | Somers | Nov 1986 | |
| D324803 | Butzen et al. | Mar 1992 | |
| D326042 | Kriaski et al. | May 1992 | |
| D329362 | Saito et al. | Sep 1992 | |
| D335618 | Mogaki | May 1992 | |
| 4531329 | Huber | Jul 1985 | |
| 4729194 | Maier et al. | Mar 1988 |
| Number | Date | Country | |
|---|---|---|---|
| Parent | 126 | Oct 1992 |