Number | Date | Country | Kind |
---|---|---|---|
8701705 | Jan 1987 | GBX |
Number | Name | Date | Kind |
---|---|---|---|
3415766 | Jedlicka | Dec 1968 | |
3574566 | Dwors | Apr 1971 | |
3778287 | Stansfield et al. | Dec 1973 | |
3974083 | Suen et al. | Aug 1976 | |
4224212 | Topham | Sep 1980 |
Number | Date | Country |
---|---|---|
0125025 | Nov 1984 | EPX |
0127325 | Dec 1984 | EPX |
0206716 | Dec 1986 | EPX |
650118 | Feb 1951 | GBX |
1373660 | Nov 1974 | GBX |
Entry |
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European Patent Office Search Report S.34189/EP. |