Number | Date | Country | Kind |
---|---|---|---|
60396/71 | Dec 1971 | GBX |
Number | Name | Date | Kind |
---|---|---|---|
3658531 | Kurtz | Apr 1972 | |
3677920 | Kai et al. | Jul 1972 | |
3732097 | Dickie et al. | May 1973 | |
3759807 | Osborn et al. | Sep 1973 | |
3840369 | Carlick et al. | Oct 1974 | |
3864133 | Hisamatsu et al. | Feb 1975 | |
3886229 | Hutchinson et al. | May 1975 | |
4071424 | Dart et al. | Jan 1978 |
Entry |
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Kosar, "Light Sensitive Systems", pp. 160, 161, 184, 187; 1965. |