Number | Date | Country | Kind |
---|---|---|---|
44 00 930.5 | Jan 1994 | DEX | |
44 03 129.7 | Feb 1994 | DEX |
Number | Name | Date | Kind |
---|---|---|---|
3497524 | Payne et al. | Feb 1970 | |
3947384 | Schulde et al. | Mar 1976 | |
4130510 | Tawaka et al. | Dec 1978 | |
4390688 | Walz et al. | Jun 1983 | |
4496710 | Gude et al. | Jan 1985 |
Number | Date | Country |
---|---|---|
0253115 | Jan 1988 | EPX |
60-1221 | Jan 1985 | JPX |
WO9108268 | Jun 1991 | WOX |
Entry |
---|
Database WPI, Derwent Publications, AN-82-20513E, JP-57-021465, Feb. 4, 1982. |
Patent Abstracts of Japan, vol. 7, No. 277 (C-199), Dec. 9, 1983, JP-58-154715, Sep. 14, 1983. |