| Number | Name | Date | Kind |
|---|---|---|---|
| 4545001 | English et al. | Oct 1985 | A |
| 4569002 | English et al. | Feb 1986 | A |
| 4707767 | Bergin et al. | Nov 1987 | A |
| 4807094 | Mateos et al. | Feb 1989 | A |
| 6080464 | Gampe et al. | Jun 2000 | A |
| D469895 | Huang | Feb 2003 | S |
| D470613 | Huang | Feb 2003 | S |
| D474303 | Huang | May 2003 | S |
| 6705746 | Perlo et al. | Mar 2004 | B2 |
| D495821 | Huang | Sep 2004 | S |
| 20050254254 | Moseler et al. | Nov 2005 | A1 |