| Number | Name | Date | Kind |
|---|---|---|---|
| 5473318 | Martel | Dec 1995 | A |
| 5737710 | Anthonyson | Apr 1998 | A |
| 5745052 | Matsuyama | Apr 1998 | A |
| 5809142 | Hurta et al. | Sep 1998 | A |
| 5877969 | Gerber | Mar 1999 | A |
| 6025784 | Mish | Feb 2000 | A |
| 6081206 | Kielland | Jun 2000 | A |
| 6084532 | Prieto et al. | Jul 2000 | A |
| 6140941 | Dwyer et al. | Oct 2000 | A |
| Entry |
|---|
| U.S. application No. 09/584,774, filed Jun. 1, 2000. |