| Number | Name | Date | Kind |
|---|---|---|---|
| D421298 | Kenyon et al. | Feb 2000 | S |
| D427675 | Hansel | Jul 2000 | S |
| D467335 | Lithgow et al. | Dec 2002 | S |
| D476077 | Lithgow et al. | Jun 2003 | S |
| D487311 | Lithgow et al. | Mar 2004 | S |
| D493520 | Bertinetti et al. | Jul 2004 | S |
| D493884 | Virr et al. | Aug 2004 | S |
| D498527 | Virr et al. | Nov 2004 | S |
| D503796 | Lithgow et al. | Apr 2005 | S |
| Number | Date | Country | |
|---|---|---|---|
| Parent | 29207856 | Jun 2004 | US |
| Child | 29274257 | US |