Number | Name | Date | Kind |
---|---|---|---|
72028 | Haase | Dec 1867 | |
594465 | Crane | Nov 1897 | |
1838746 | Day | Dec 1931 | |
1956125 | Leister | Apr 1934 | |
2299356 | Strohm et al. | Oct 1942 | |
3182343 | Larson | May 1965 | |
3423780 | Alten | Jan 1969 | |
3846945 | Roby | Nov 1974 | |
3971983 | Jaquet | Jul 1976 | |
3984891 | Weinmann | Oct 1976 | |
4101100 | Smith et al. | Jul 1978 | |
4135183 | Heltemes | Jan 1979 | |
4308530 | Kip et al. | Dec 1981 | |
4468910 | Morrison | Sep 1984 | |
4531117 | Nourse et al. | Jul 1985 |
Number | Date | Country |
---|---|---|
7701096 | Aug 1978 | NLX |
550506 | Jan 1943 | GBX |
Entry |
---|
National Electric Products Corporation of Pittsburgh, PA, 1938 Catalog and Handbook, pp. 67, 68. |