Number | Name | Date | Kind |
---|---|---|---|
3360409 | Jachimowicz et al. | Dec 1967 | |
4078853 | Kempf et al. | Mar 1978 | |
4241979 | Gagen et al. | Dec 1980 | |
4518034 | Vokey | May 1985 | |
4552432 | Anderson et al. | Nov 1985 | |
4557560 | Bohannon et al. | Dec 1985 |
Number | Date | Country |
---|---|---|
3222541 | Dec 1983 | DEX |
1086448 | May 1986 | JPX |
Entry |
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Publication, News for Design Engineers, Jul. 2, 1984, Advertisement by Texas Instruments, Inc. |