Number | Name | Date | Kind |
---|---|---|---|
3038780 | Keifer et al. | Jun 1962 | |
3272638 | Touey et al. | Sep 1966 | |
3419653 | Briggs et al. | Dec 1968 | |
3925525 | LaNieve | Dec 1975 | |
3952081 | Epstein et al. | Apr 1976 | |
4418026 | Blackie et al. | Nov 1983 | |
5010128 | Landry et al. | Apr 1991 |
Number | Date | Country |
---|---|---|
285156 | Dec 1970 | SUX |
1414375 | Nov 1975 | GBX |
2167343 | May 1986 | GBX |
Entry |
---|
Abstract of Japan 57-190,645 (published Nov. 24, 1982). |
Abstract of U.S.S.R. 423,895 (published Nov. 3, 1974). |