| Number | Name | Date | Kind |
|---|---|---|---|
| D262313 | Hamilton | Dec 1981 | S |
| D269117 | Sherrard | May 1983 | S |
| 5121948 | Anderson et al. | Jun 1992 | A |
| D342782 | Anderson et al. | Dec 1993 | S |
| D412030 | Tuggle | Jul 1999 | S |
| D425612 | Andersen | May 2000 | S |
| 6230418 | Gomulinski | May 2001 | B1 |
| D462118 | Staggs, Jr. | Aug 2002 | S |
| 6431611 | Andersen | Aug 2002 | B1 |
| D556315 | Jackson et al. | Nov 2007 | S |
| D681797 | Gustafsson et al. | May 2013 | S |
| D694872 | Gustafsson et al. | Dec 2013 | S |