Number | Name | Date | Kind |
---|---|---|---|
3606972 | Ferrant | Sep 1971 | |
3746254 | Duncan et al. | Jul 1973 | |
4221239 | Reale | Sep 1980 | |
4313475 | Wiggins | Feb 1982 | |
4544100 | Simashkevich et al. | Oct 1985 | |
5271569 | Konieczynski et al. | Dec 1993 | |
5322221 | Anderson | Jun 1994 |
Entry |
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Publication entitled "The DEIMOS-Electrostatic System", by Bollhoff Verfahrenstechnik, publication date unknown but prior to Jan. 27, 1995. |