Number | Date | Country | Kind |
---|---|---|---|
1-200953 | Aug 1989 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
3080258 | Davis | Mar 1963 | |
3929721 | Leverett | Dec 1975 | |
3992347 | Vary | Nov 1976 | |
4113696 | Williams et al. | Sep 1978 | |
4338376 | Kritzler | Jul 1982 | |
4370436 | Nakamura et al. | Jan 1983 | |
4647602 | Wilczak et al. | Mar 1987 | |
4703076 | Mori | Oct 1987 | |
4707517 | Bullen et al. | Nov 1987 | |
4724251 | Rock | Feb 1988 | |
4960827 | Miyazaki et al. | Oct 1990 | |
4985483 | Saito et al. | Jan 1991 |
Number | Date | Country |
---|---|---|
53-8649 | Jul 1978 | JPX |
56-90862 | Jul 1981 | JPX |
Entry |
---|
Derwent Abstract, No. 89-042687 [06], of JP-A 63-314291, Dec. 22, 1988 (Arai Pump Mfg Co.). |
Derwent Abstract, No. 86-192294 [30], of JP-A 61-123655, Dec. 11, 1986 (Hitachi Chem. Co.). |