Number | Date | Country | Kind |
---|---|---|---|
197 13 122 | Mar 1997 | DEX | |
198 05 112 | Feb 1998 | DEX |
Number | Name | Date | Kind |
---|---|---|---|
4923459 | Nambu | May 1990 | |
5622170 | Schulz | Apr 1997 | |
5662111 | Cosman | Sep 1997 | |
5678549 | Heywang-Koebrunner et al. | Oct 1997 | |
5682890 | Kormos et al. | Nov 1997 | |
5891034 | Bucholz | Apr 1999 |