Number | Name | Date | Kind |
---|---|---|---|
2309905 | Irwin et al. | Feb 1943 | |
2635349 | Green | Apr 1953 | |
2674049 | James, Jr. | Apr 1954 | |
2681657 | Widess | Jun 1954 | |
2806295 | Ball | Sep 1967 | |
3037295 | Roberson | Jun 1962 | |
3052029 | Wallshein | Sep 1962 | |
3137077 | Rosenthal | Jun 1964 | |
3241363 | Alderson et al. | Mar 1966 | |
3308670 | Granqvist | Mar 1967 | |
3535040 | Vigneri et al. | Oct 1970 | |
3561129 | Johnston | Feb 1971 | |
3563662 | Wing | Feb 1971 | |
3753296 | Van Steenwyk | Aug 1972 | |
3894341 | Kapeller | Jul 1975 | |
4197654 | Van Steenwyk | Apr 1980 | |
4199869 | Van Steenwyk | Apr 1980 | |
4244116 | Barriac | Jan 1981 | |
4265028 | Van Steenwyk | May 1981 | |
4433491 | Ott et al. | Feb 1984 |
Entry |
---|
IEEE Spectrum, Oct. 1967, pp. 44-55 by Joseph Killpatrick. |