| Number | Name | Date | Kind |
|---|---|---|---|
| 5211563 | Haga et al. | May 1993 | A |
| 5601432 | Bergman | Feb 1997 | A |
| 5778346 | Frid-Nielsen et al. | Jul 1998 | A |
| 5967793 | Ho et al. | Oct 1999 | A |
| 6012037 | Yoshikawa | Jan 2000 | A |
| 6014134 | Bell et al. | Jan 2000 | A |
| 6047260 | Levinson | Apr 2000 | A |
| Number | Date | Country |
|---|---|---|
| 0 710 942 | Oct 1995 | EP |
| 1 003 141 | Nov 1999 | EP |
| WO 9744767 | Nov 1997 | WO |
| Entry |
|---|
| Copy of International Search Report in Corresponding PCT Application No. PCT/US00/01408. |