Number | Date | Country | Kind |
---|---|---|---|
62-267848 | Oct 1987 | JPX | |
63-51199 | Mar 1988 | JPX | |
63-51200 | Mar 1988 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
3505140 | Dunn | Apr 1970 | |
3647442 | Malster | Mar 1972 | |
3928863 | Stewart et al. | Dec 1975 | |
4287285 | Mosehauer | Sep 1981 | |
4500626 | Naito et al. | Feb 1985 | |
4536015 | Kirstein | Aug 1985 | |
4687526 | Wilfert | Aug 1987 |
Number | Date | Country |
---|---|---|
59-218443 | Dec 1984 | JPX |
60-133449 | Jul 1985 | JPX |
61-238056 | Oct 1986 | JPX |
61-269147 | Nov 1986 | JPX |
Entry |
---|
European Patent Application No. EP 0 210 660 A2, 2/87. |
European Patent Application No. EP 0 220 746 A2, 5/87. |