| Number | Name | Date | Kind |
|---|---|---|---|
| 3219316 | Fried | Nov 1965 | A |
| 3710407 | Reid | Jan 1973 | A |
| 4681171 | Kee et al. | Jul 1987 | A |
| D305718 | Ashcraft | Jan 1990 | S |
| 5067237 | Holder | Nov 1991 | A |
| 5177850 | Hull et al. | Jan 1993 | A |
| 5329685 | Gillespie | Jul 1994 | A |
| 6631668 | Wilson et al. | Oct 2003 | B1 |
| 7337515 | Phillips et al. | Mar 2008 | B2 |
| D570655 | Meagher et al. | Jun 2008 | S |