| Number | Name | Date | Kind |
|---|---|---|---|
| D288779 | Pilon | Mar 1987 | |
| D353761 | Nguyen | Dec 1994 | |
| 4676378 | Baxley et al. | Jun 1987 | |
| 4811417 | Prince et al. | Mar 1989 | |
| 5074674 | Kuklies et al. | Dec 1991 | |
| 5207328 | Bose et al. | May 1993 | |
| 5465846 | Blyth et al. | Nov 1995 | |
| 5662225 | DeMatteis | Sep 1997 | |
| 5685432 | Maldoff | Nov 1997 |