| Number | Name | Date | Kind |
|---|---|---|---|
| D367534 | DiPerna et al. | Feb 1996 | S |
| D387168 | Edelman et al. | Dec 1997 | S |
| D389917 | Hornback et al. | Jan 1998 | S |
| D410544 | Metzler et al. | Jun 1999 | S |
| D438952 | Cimino et al. | Mar 2001 | S |
| D467001 | Buczek et al. | Dec 2002 | S |
| 6626445 | Murphy et al. | Sep 2003 | B2 |
| D486915 | Warschewske et al. | Feb 2004 | S |
| D525592 | Nguyen | Jul 2006 | S |
| D544103 | Meziere | Jun 2007 | S |