Number | Date | Country | Kind |
---|---|---|---|
90104165 | Mar 1990 | EPX |
Number | Name | Date | Kind |
---|---|---|---|
3526828 | Whitby | Sep 1970 | |
3679973 | Smith, Jr. et al. | Jul 1972 | |
4117715 | Hoenig | Oct 1978 | |
4249131 | Owen | Feb 1981 | |
4288749 | Martin | Sep 1981 | |
4556849 | Kalakutsky et al. | Nov 1985 | |
4685569 | Osaki et al. | Aug 1987 | |
4837440 | Burtscher et al. | Jun 1989 | |
4910463 | Williams, II et al. | Mar 1990 | |
4973909 | Castle et al. | Nov 1990 |
Entry |
---|
M. Rossner, H. Singer, "Measurement of Micrometer Particles by Means of Induced Charges"; 1989 IEEE Industry Applications Society Annual Meeting, IEEE Catalog No. 89CH2792-0. |