Number | Date | Country | Kind |
---|---|---|---|
6-284530 | Oct 1994 | JPX | |
7-085979 | Mar 1995 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
3779986 | Smith | Dec 1973 | |
4417782 | Clarke et al. | Nov 1983 | |
4433127 | Sugiyama et al. | Feb 1984 | |
4835057 | Bagley et al. | May 1989 | |
5062680 | Imamura et al. | Nov 1991 | |
5307438 | Bilkadi et al. | Apr 1994 |
Number | Date | Country |
---|---|---|
164470 | Dec 1985 | EPX |
831292 | Feb 1952 | DEX |
4034428 | May 1991 | DEX |
1473335 | May 1977 | GBX |
Entry |
---|
Nippon Telegr & Telegraph Corp, JP 03043423, Feb. 25, 1991, Patent Abstracts of Japan, vol. 15, No. 177, (C-0829), Abstract. |