Number | Name | Date | Kind |
---|---|---|---|
2105274 | Steigmann | Jan 1938 | |
3554758 | Willems et al. | Jan 1971 | |
3918975 | Coraluppi et al. | Nov 1975 | |
3947273 | Pollet et al. | Mar 1976 | |
3957492 | Miyazako et al. | May 1976 | |
4028110 | Berendsen et al. | Jun 1977 | |
4105454 | Tani | Aug 1978 | |
4163670 | Shiba et al. | Aug 1979 | |
4269927 | Atwell | May 1981 | |
4741990 | Sakamoto et al. | May 1988 | |
4891296 | Tsurukiri et al. | Jan 1990 | |
5166043 | DePrijcker | Nov 1992 | |
5547827 | Chen et al. | Aug 1996 | |
5550013 | Chen et al. | Aug 1996 |
Number | Date | Country |
---|---|---|
0543403A1 | May 1993 | EPX |
1522398 | Sep 1969 | DEX |
3084545 | Apr 1991 | JPX |
5142730 | Jun 1993 | JPX |
Entry |
---|
Derwent Abstract, JP-A-03 084 545, vol. 15, No. 262, Jul. 1991. |
Abstract, JP-A-5142730. |