Number | Name | Date | Kind |
---|---|---|---|
1694962 | Berry | Dec 1928 | |
3464898 | Norris | Sep 1969 | |
3763030 | Zimmer | Oct 1973 | |
3876264 | Carson | Feb 1975 | |
3947348 | Schabernack et al. | Mar 1976 | |
4276148 | Otthofer, Jr. | Jun 1981 | |
4326928 | Dugan | Apr 1982 |
Number | Date | Country |
---|---|---|
4459 OF | Jan 1885 | GBX |
Entry |
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ELECTRONICS, Sep. 11, 1959, pp. 114-117, Electroforming of Intricate Electronic Components by Edward B. Murphy. |