| Number | Date | Country | Kind |
|---|---|---|---|
| 000613963 | Oct 2006 | EP | regional |
| Number | Name | Date | Kind |
|---|---|---|---|
| 4874182 | Clark | Oct 1989 | A |
| D321992 | Butler | Dec 1991 | S |
| 5478096 | Ting | Dec 1995 | A |
| 5636900 | Wilkie et al. | Jun 1997 | A |
| D399353 | Krass et al. | Oct 1998 | S |
| 6032975 | Hanson et al. | Mar 2000 | A |
| D461320 | Sher | Aug 2002 | S |
| 6612645 | Hsu | Sep 2003 | B1 |
| D507769 | Terzo | Jul 2005 | S |
| D579219 | Schrodel | Oct 2008 | S |
| 20040189068 | Meeker et al. | Sep 2004 | A1 |