Number | Name | Date | Kind |
---|---|---|---|
D272436 | Trabucci et al. | Jan 1984 | |
D290707 | Allen et al. | Jul 1987 | |
D296776 | Hansen et al. | Jul 1988 | |
D334542 | Lowe et al. | Apr 1993 | |
D380737 | Weir et al. | Jul 1997 | |
D393808 | Lindsey et al. | Apr 1998 | |
D401926 | Leman | Dec 1998 | |
D409159 | Wein, Jr. | May 1999 |