| Number | Date | Country | Kind |
|---|---|---|---|
| 2006-001866 | Jan 2006 | JP | national |
| Number | Name | Date | Kind |
|---|---|---|---|
| 4662532 | Anderson et al. | May 1987 | A |
| D297619 | Cheval et al. | Sep 1988 | S |
| 5022540 | Vail et al. | Jun 1991 | A |
| 5356029 | Hogan | Oct 1994 | A |
| 5722552 | Olson | Mar 1998 | A |
| D415869 | Roodvoets et al. | Oct 1999 | S |
| 6006918 | Hart | Dec 1999 | A |
| 6675723 | Sukeva | Jan 2004 | B2 |
| 6726046 | Orset | Apr 2004 | B2 |
| D492460 | Thorpe | Jun 2004 | S |
| 7093731 | Karpisek | Aug 2006 | B2 |