| Number | Name | Date | Kind |
|---|---|---|---|
| 6712559 | Lenormand | Mar 2004 | B2 |
| 6948884 | Xu | Sep 2005 | B2 |
| 7628665 | Cook | Dec 2009 | B1 |
| 8443896 | Howard | May 2013 | B2 |
| 9039328 | Melymuk | May 2015 | B2 |
| 10006254 | Shi | Jun 2018 | B2 |
| 20020168232 | Xu | Nov 2002 | A1 |
| 20050241832 | Jones | Nov 2005 | A1 |
| 20080213048 | Jones | Sep 2008 | A1 |
| 20100307762 | Howard | Dec 2010 | A1 |
| Number | Date | Country | |
|---|---|---|---|
| Parent | 29549624 | Dec 2015 | US |
| Child | 29682382 | US |