| Number | Date | Country | Kind |
|---|---|---|---|
| 2009 3 0047456 | Jun 2009 | CN | national |
| Number | Name | Date | Kind |
|---|---|---|---|
| D75571 | Lawrence et al. | Jun 1928 | S |
| D99850 | Beyer | Jun 1936 | S |
| D272343 | Matsubara | Jan 1984 | S |
| D311740 | Wagner | Oct 1990 | S |
| D330704 | Wagner | Nov 1992 | S |
| D335129 | Theisen et al. | Apr 1993 | S |
| D351158 | Sacherman et al. | Oct 1994 | S |
| D352033 | Robertson et al. | Nov 1994 | S |
| D391239 | Carlson | Feb 1998 | S |
| D413893 | Luzbetak et al. | Sep 1999 | S |
| D463417 | Chan et al. | Sep 2002 | S |
| D488795 | Christianson | Apr 2004 | S |
| 6831837 | Chang | Dec 2004 | B2 |
| D523854 | Rinna et al. | Jun 2006 | S |
| D528548 | Tang | Sep 2006 | S |
| D530316 | Hsu et al. | Oct 2006 | S |
| D539798 | Sato | Apr 2007 | S |
| D599346 | Thia et al. | Sep 2009 | S |
| D601551 | Ray et al. | Oct 2009 | S |
| 20080259551 | Gavenda et al. | Oct 2008 | A1 |