| Number | Name | Date | Kind |
|---|---|---|---|
| 1394463 | Allen | Oct 1921 | A |
| 2054744 | Florang | Sep 1936 | A |
| D155116 | Addleston et al. | Sep 1949 | S |
| 2777595 | Roof | Jan 1957 | A |
| 2808171 | Wilson | Oct 1957 | A |
| 3057508 | Kimbrough, Jr. | Oct 1962 | A |
| 3302679 | Padovani | Feb 1967 | A |
| D234616 | Meyers et al. | Mar 1975 | S |
| D259232 | Tarozzi | May 1981 | S |
| D259320 | Tarozzi | May 1981 | S |
| D283480 | Bailey | Apr 1986 | S |
| D298602 | Price | Nov 1988 | S |
| D354419 | Kahl et al. | Jan 1995 | S |
| D366387 | Malmborg et al. | Jan 1996 | S |
| D407609 | Rausch | Apr 1999 | S |
| D408633 | Longaberger et al. | Apr 1999 | S |
| D415897 | Lacy et al. | Nov 1999 | S |
| D426386 | Lacy et al. | Jun 2000 | S |
| D434277 | Martel | Nov 2000 | S |
| D443984 | Lacy et al. | Jun 2001 | S |
| D463123 | Hradisky | Sep 2002 | S |
| D502360 | Kautz | Mar 2005 | S |
| 7328816 | Shannon et al. | Feb 2008 | B2 |