| Number | Date | Country | Kind |
|---|---|---|---|
| 2008/0323 | May 2008 | SE | national |
| Number | Name | Date | Kind |
|---|---|---|---|
| 3152828 | Lytle | Oct 1964 | A |
| 3627369 | Nixon | Dec 1971 | A |
| 5029786 | Wu | Jul 1991 | A |
| 5104077 | Liu | Apr 1992 | A |
| D490201 | Liao | May 2004 | S |
| D576865 | Chiang et al. | Sep 2008 | S |
| 20080111037 | Carnevali | May 2008 | A1 |
| 20080251664 | Hara et al. | Oct 2008 | A1 |