Number | Date | Country | Kind |
---|---|---|---|
42 40 744.2 | Dec 1992 | DEX |
Number | Name | Date | Kind |
---|---|---|---|
3436440 | Abe | Apr 1969 | |
3773699 | Bergmeister et al. | Nov 1973 | |
4246355 | Bolto | Jan 1981 | |
5187233 | Ball et al. | Feb 1993 | |
5304609 | Kohlhammer et al. | Apr 1994 | |
5314964 | Lucas | May 1994 |
Number | Date | Country |
---|---|---|
829843 | Dec 1969 | CAX |
0231933 | Aug 1987 | EPX |
2027991 | Oct 1970 | FRX |
2376873 | Aug 1978 | FRX |
3743142 | Jun 1989 | DEX |
4000543 | Jul 1991 | DEX |
4006643 | Sep 1991 | DEX |
4135984 | May 1993 | DEX |
Entry |
---|
Derwent-Abstract AN 86-25600s (JP-A 61/185518) (Aug. 1986). |
Derwent-Abstract AN 91-268112/37 (1991). |
Derwent-Abstract AN-91-209287/29 (1991). |