Number | Date | Country | Kind |
---|---|---|---|
PCT/FR88/00314 | Jun 1988 | WOX | |
08539 | Jun 1987 | FRX |
Number | Name | Date | Kind |
---|---|---|---|
3314820 | Smith | Apr 1967 | |
4216276 | Weddigen et al. | Aug 1980 | |
4303748 | Armand et al. | May 1981 | |
4505081 | Armand et al. | Mar 1985 | |
4542081 | Armand et al. | Mar 1985 | |
4556614 | Mehaute et al. | Dec 1985 | |
4556616 | Armand et al. | Dec 1985 | |
4578326 | Armand et al. | Mar 1986 | |
4579793 | Armand et al. | Apr 1986 | |
4589197 | North | May 1986 | |
4618548 | Brule | Oct 1986 | |
4620944 | Armand et al. | Nov 1986 | |
4654279 | Bauer et al. | Mar 1987 | |
4668596 | Shacklette et al. | May 1987 | |
4683181 | Armand et al. | Jul 1987 | |
4758483 | Armand et al. | Jul 1988 | |
4792504 | Schwab et al. | Dec 1988 | |
4818644 | Armand | Apr 1989 | |
4824746 | Belanger et al. | Apr 1989 |
Number | Date | Country |
---|---|---|
0078505 | May 1983 | EPX |
0145231 | Jun 1985 | EPX |
2593328 | Jul 1987 | FRX |
2148586 | May 1985 | GBX |
2149197 | Jun 1985 | GBX |
Entry |
---|
Patent Abstracts of Japan, vol. 9, No. 248, Oct. 4, 1985, JP, A, 6097561 (Hitachi Seisakusho K.K.) May 31, 1985. |
Number | Date | Country | |
---|---|---|---|
Parent | 333625 | Feb 1989 |