Number | Date | Country | Kind |
---|---|---|---|
98104766 | Mar 1998 | EP |
Number | Name | Date | Kind |
---|---|---|---|
3637545 | Fivel | Jan 1972 | |
4620993 | Suss et al. | Nov 1986 | |
5344489 | Matijevuc et al. | Sep 1994 | |
5710197 | Fischer et al. | Jan 1998 | |
5905111 | Leugs et al. | May 1999 |
Number | Date | Country |
---|---|---|
0022746 | Jan 1981 | EP |
0456610 | Nov 1991 | EP |
0542669 | May 1993 | EP |
2216335 | Aug 1974 | FR |
Entry |
---|
Derwent Abstr. 74-58791V for FR 2216335. |