Number | Name | Date | Kind |
---|---|---|---|
3066342 | Jackson et al. | Dec 1962 | |
3074276 | Moos | Jan 1963 | |
3091967 | Hurdlow et al. | Jun 1963 | |
3684660 | Kereluk et al. | Aug 1972 | |
3748905 | Zahleva | Jul 1973 | |
3897688 | Meserol et al. | Aug 1975 | |
3970428 | Barringer | Jul 1976 | |
4192176 | Barringer | Mar 1980 | |
4220414 | Barringer | Sep 1980 | |
4426214 | Vandrish | Jan 1984 | |
4909090 | McGown et al. | Mar 1990 | |
5071771 | Barbuor et al. | Dec 1991 | |
5243865 | Hsu et al. | Sep 1993 | |
5333511 | Boyum et al. | Aug 1994 | |
5425263 | Davies et al. | Jun 1995 | |
5476794 | O'Brien et al. | Dec 1995 | |
5517866 | Manning et al. | May 1996 | |
5571976 | Drolet | Nov 1996 |
Number | Date | Country |
---|---|---|
2 634 018 A1 | Jan 1990 | FRX |
2660873 | Oct 1991 | FRX |
2 708 740 A1 | Feb 1995 | FRX |
2 185 571 | Jul 1987 | GBX |
Entry |
---|
Patent Abstracts of Europe (FR 2634018) dated Jan. 12, 1990 "Device for Inspecting the Dust Covering a Surface". |
Patent Abstracts of Europe (FR 2708740) dated Feb. 10, 1995 "Device Intended to Sample Liquid or Solid Substances from a Surface". |
Barringer, Ionscan Model 400 Operator's Manual, Jan. 10, 1996, pp. 9,10,16,56,57. |