| Number | Name | Date | Kind |
|---|---|---|---|
| 5623964 | Tsai | Apr 1997 | A |
| D401671 | Lewis | Nov 1998 | S |
| 5896897 | Lewis | Apr 1999 | A |
| 6158195 | Andersson | Dec 2000 | A |
| 6244309 | Martin | Jun 2001 | B1 |
| 7270153 | Stavrakis | Sep 2007 | B2 |
| 7523771 | Stavrakis | Apr 2009 | B2 |
| 20060042715 | Stavrakis | Mar 2006 | A1 |
| Number | Date | Country | |
|---|---|---|---|
| Parent | 29469835 | Oct 2013 | US |
| Child | 13941992 | US |
| Number | Date | Country | |
|---|---|---|---|
| Parent | 13941992 | Jul 2013 | US |
| Child | 29533706 | US |