Number | Name | Date | Kind |
---|---|---|---|
D295257 | Staub | Apr 1988 | |
3075487 | Appleton | Jan 1963 | |
3303294 | Saul et al. | Feb 1967 | |
3437199 | Jacobson | Apr 1969 | |
3491327 | Tait et al. | Jan 1970 | |
3657503 | Smith | Apr 1972 | |
4382649 | Meyer | May 1983 | |
4513354 | Abel | Apr 1985 | |
4541538 | Swetnam | Sep 1985 | |
4719314 | Nothnagel et al. | Jan 1988 | |
4915638 | Domian | Apr 1990 |
Number | Date | Country |
---|---|---|
1385400 | Sep 1964 | FRX |
2220902 | Apr 1974 | FRX |
0260981 | Apr 1949 | CHX |
0409051 | Sep 1966 | CHX |
Entry |
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Wired-circuit transmitter housing on p. 21 of Heath Kit '87 Catalog. |