| Number | Date | Country | Kind |
|---|---|---|---|
| DM/078 124 | Apr 2012 | WO | international |
| Number | Name | Date | Kind |
|---|---|---|---|
| D280301 | Nishina et al. | Aug 1985 | S |
| 4586260 | Baxter et al. | May 1986 | A |
| 4963811 | Weber | Oct 1990 | A |
| D334719 | Yeo | Apr 1993 | S |
| 6279248 | Walters | Aug 2001 | B1 |
| 7045088 | Matsumiya et al. | May 2006 | B2 |
| D556064 | Yang et al. | Nov 2007 | S |
| D574278 | Zhang | Aug 2008 | S |
| 7533474 | Saito et al. | May 2009 | B2 |
| 7765712 | Stockman | Aug 2010 | B2 |
| D662842 | Zhang | Jul 2012 | S |
| 8256128 | Kozykowski | Sep 2012 | B2 |
| 8296965 | Stockman | Oct 2012 | B2 |