Number | Date | Country | Kind |
---|---|---|---|
MI92 A 001244 | May 1992 | ITX |
Number | Name | Date | Kind |
---|---|---|---|
3655727 | Patel et al. | Apr 1972 | |
3686143 | Bowman | Aug 1972 | |
3712877 | Patel et al. | Jan 1973 | |
3857807 | Kometani et al. | Dec 1974 | |
3859262 | Hartwimmer | Jan 1975 | |
3876654 | Pattison | Apr 1975 | |
3933732 | Schmiegel | Jan 1976 | |
4233421 | Worm | Nov 1980 | |
4259463 | Moggi et al. | Mar 1981 | |
4368308 | Yamabe et al. | Jan 1983 | |
4694045 | Moore | Sep 1987 |
Number | Date | Country |
---|---|---|
120462 | Oct 1984 | EPX |
182299 | May 1986 | EPX |
250766 | Jan 1988 | EPX |
250767 | Jan 1988 | EPX |
280312 | Aug 1988 | EPX |
315078 | Oct 1989 | EPX |
407937 | Jan 1991 | EPX |
0518073 | Dec 1992 | EPX |
Entry |
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European Search Report dated Jul. 22, 1993. |
Derwent Abstract and Family Search for DE 1 494 496. |
Derwent Abstract and Family Search for FR 2 103 276. |