This application is a division of Ser. No. 10/049,073 filed Feb. 4, 2002, now U.S. Pat. No. 6,476,230, which is a 371 of PCT/EP00/07709 filed Aug. 8, 2000, and a division of Ser. No. 09/371,180, filed Oct. 8, 1999, now U.S. Pat. No. 6,265,553.
Number | Name | Date | Kind |
---|---|---|---|
4748243 | Beck et al. | May 1988 | A |
6407251 | Miyazaki et al. | Jun 2002 | B1 |