Number | Name | Date | Kind |
---|---|---|---|
3109997 | Giger et al. | Nov 1963 | |
3360747 | Lancaster | Dec 1967 | |
3372349 | Concelman | Mar 1968 | |
3529264 | Lancaster | Sep 1970 | |
4749968 | Burroughs | Jun 1988 | |
4815104 | Williams et al. | Jul 1991 | |
5147992 | Eriksen et al. | Sep 1992 | |
5246378 | Seiceanu | Sep 1993 | |
5280254 | Hunter et al. | Jan 1994 |
Number | Date | Country |
---|---|---|
658424 | Feb 1963 | CAX |
Entry |
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Cover page and p. 25 of Trompeter Electronics catalog T-16 showing product J18T. |
Cover page and p. 25 and last page (showing what is believed to be a printing date of 1989) of Trompeter Electronics Catalog T-17 showing product J18T. |
Cover page and pp. 26, 31, 32 and 33 of Trompeter Electronics Catalog T18A showing products J18, J74, J74T-R, J74MST-R, J74-2T-R. |