Number | Date | Country | Kind |
---|---|---|---|
P2000-35824 | Feb 2000 | JP |
Number | Name | Date | Kind |
---|---|---|---|
4451916 | Casper et al. | May 1984 | A |
5596439 | Dankberg et al. | Jan 1997 | A |
5819155 | Worthy et al. | Oct 1998 | A |
6470012 | Nakatsugawa | Oct 2002 | B2 |
Entry |
---|
U.S. patent application Ser. No. 09/065,461, filed Apr. 24, 1998, pending. |
U.S. patent application Ser. No. 09/780,496, filed Feb. 12, 2001, pending. |