Number | Name | Date | Kind |
---|---|---|---|
3474667 | Fuchs | Oct 1969 | |
3551800 | Widmer | Dec 1970 | |
3714554 | Benedix | Jan 1973 | |
3771047 | Spengler et al. | Nov 1973 | |
3775672 | Letusky | Nov 1973 | |
3788129 | Trussell | Jan 1974 | |
3870947 | Fields | Mar 1975 |
Entry |
---|
Millman et al; Pulse Digital, and Switching waveforms; Chap 18, pp. 668-670, (1965). |