| Number | Date | Country | Kind |
|---|---|---|---|
| 002052555-0006 | Jun 2012 | EP | regional |
| Number | Name | Date | Kind |
|---|---|---|---|
| 6293004 | Holliday | Sep 2001 | B1 |
| 8015698 | Sutter et al. | Sep 2011 | B2 |
| D649850 | Liu | Dec 2011 | S |
| 8359736 | Lu | Jan 2013 | B2 |
| 8539669 | Holliday | Sep 2013 | B2 |
| D696921 | Sutter | Jan 2014 | S |
| 8627562 | Sutter et al. | Jan 2014 | B2 |