| Number | Name | Date | Kind |
|---|---|---|---|
| 3986656 | November | Oct 1976 | A |
| 5031769 | Shea et al. | Jul 1991 | A |
| 5713502 | Dixon | Feb 1998 | A |
| 6149040 | Walker | Nov 2000 | A |
| D450291 | Wang | Nov 2001 | S |
| D466074 | Hoy | Nov 2002 | S |
| D485227 | Graham | Jan 2004 | S |
| D486121 | Bergh et al. | Feb 2004 | S |
| D491880 | Guidry | Jun 2004 | S |
| 6942270 | Mulvihill | Sep 2005 | B1 |
| 7121601 | Mulvihill et al. | Oct 2006 | B2 |
| D539036 | Potts et al. | Mar 2007 | S |
| 7201421 | Reynolds et al. | Apr 2007 | B2 |