Number | Name | Date | Kind |
---|---|---|---|
3777222 | Harris | Dec 1973 | |
3784812 | Swanberg | Jan 1974 | |
3811025 | Bach | May 1974 | |
3862381 | Glaister et al. | Jan 1975 | |
4007342 | Makino et al. | Feb 1977 | |
4143253 | Wagner et al. | Mar 1979 | |
4145584 | Otterlei | Mar 1979 | |
4218600 | Kissner | Aug 1980 |
Entry |
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Design News; Design Ideas; "Rotary Switch Squeezes Into Minimal Envelope", R. F. Stengel, pp. 52, 53. |