Number | Date | Country | Kind |
---|---|---|---|
3928651 | Aug 1989 | DEX |
Number | Name | Date | Kind |
---|---|---|---|
4050747 | Ruhnau et al. | Sep 1977 | |
4136912 | Hesse et al. | Jan 1979 | |
4460962 | Pape et al. | Jul 1984 | |
4547740 | Nilsson | Oct 1985 | |
4635607 | Yasuoka et al. | Jan 1987 | |
4925254 | Holst et al. | May 1990 |
Number | Date | Country |
---|---|---|
1065460 | Sep 1959 | DEX |
2631569 | Jan 1978 | DEX |
270159 | Jul 1978 | DEX |
2909384 | Sep 1979 | DEX |
2928981 | Feb 1981 | DEX |
3227285 | Feb 1983 | DEX |
3322074 | Jan 1984 | DEX |
3447449 | Jul 1985 | DEX |
3446645 | Jul 1986 | DEX |
3522392 | Jan 1987 | DEX |
3701795 | Jul 1987 | DEX |
3706393 | May 1988 | DEX |
3701714 | Aug 1988 | DEX |
3833333 | Apr 1989 | DEX |
146658 | Feb 1981 | DDX |
Entry |
---|
Patent Abstract of Japan Ser. No. 52-103342, May 18, 1979, vol. 3/No. 58. |