| Number | Name | Date | Kind |
|---|---|---|---|
| D251564 | MacKrell | Apr 1979 | S |
| D282617 | Hogan | Feb 1986 | S |
| D296405 | Weaver | Jun 1988 | S |
| D328220 | Barnard et al. | Jul 1992 | S |
| D365962 | Amundsen et al. | Jan 1996 | S |
| D390753 | Danemayer | Feb 1998 | S |
| 5833097 | Ruth | Nov 1998 | A |
| D510675 | Ball | Oct 2005 | S |
| D531457 | Gold et al. | Nov 2006 | S |
| 7210410 | Widener | May 2007 | B1 |