| Number | Name | Date | Kind |
|---|---|---|---|
| 5091642 | Chow et al. | Feb 1992 | A |
| 5128104 | Murphy et al. | Jul 1992 | A |
| 5384264 | Chen et al. | Jan 1995 | A |
| 5728352 | Poto et al. | Mar 1998 | A |
| 5728587 | Kang et al. | Mar 1998 | A |
| 5821073 | Lee | Oct 1998 | A |
| 5908786 | Moreno et al. | Jun 1999 | A |
| 6338969 | Shareef et al. | Jan 2002 | B1 |
| D456082 | Bouse et al. | Apr 2002 | S |
| 6436714 | Clawson et al. | Aug 2002 | B1 |
| 7439079 | Song et al. | Oct 2008 | B2 |
| 7476533 | Meathrel et al. | Jan 2009 | B2 |
| 7776618 | Nazareth et al. | Aug 2010 | B2 |
| 20100137145 | Qinwei | Jun 2010 | A1 |
| Number | Date | Country | |
|---|---|---|---|
| Parent | 29315379 | Jun 2009 | US |
| Child | 29363468 | US |