| Number | Date | Country | Kind |
|---|---|---|---|
| 4004699 | Oct 2007 | GB | national |
| Number | Name | Date | Kind |
|---|---|---|---|
| D307624 | Wefler | May 1990 | S |
| D308409 | Hoyt et al. | Jun 1990 | S |
| D355474 | Kearnes et al. | Feb 1995 | S |
| D387848 | Thompson et al. | Dec 1997 | S |
| D496711 | Conway et al. | Sep 2004 | S |
| 6817040 | Klinkhammer et al. | Nov 2004 | B2 |