| Number | Name | Date | Kind |
|---|---|---|---|
| D310931 | Mollenhoff | Oct 1990 | |
| D344427 | Bannigan | Feb 1994 | |
| D367201 | Joergensen | Feb 1996 | |
| D377577 | Cousins et al. | Jan 1997 | |
| D399698 | Saltet | Oct 1998 | |
| D404604 | Pochopien et al. | Jan 1999 | |
| 4386556 | Romey, Sr. | Jun 1983 | |
| 4572060 | Yung-kuan | Feb 1986 | |
| 4721034 | Shimomura | Jan 1988 |