Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6407382 | Discharge ionization source | — | 2002-06-18 |
| 6124592 | Ion mobility storage trap and method | — | 2000-09-26 |
| 5338931 | Photoionization ion mobility spectrometer | Joseph E. Roehl, Gautam B. Patel, Alvin Dorman | 1994-08-16 |
| 5083019 | Preconcentrator for ion mobility spectrometer | — | 1992-01-21 |
| 5053343 | Selective ionization of gas constituents using electrolytic reactions | Kishore N. Vora, Donald N. Campbell, Robert C. Davis, Julio A. Reategui | 1991-10-01 |
| 5021654 | All ceramic ion mobility spectrometer cell | Donald N. Campbell, Robert C. Davis, Eugene F. Fafaul, John P. Carrico | 1991-06-04 |
| 4950893 | Method and apparatus for enhanced ion spectra generation and detection in ion mobility spectrometry | Julio A. Reategui, Joseph L. Mangum | 1990-08-21 |
| 4928033 | Thermionic ionization source | John P. Carrico, Donald N. Campbell | 1990-05-22 |
| 4839143 | Selective ionization of gas constituents using electrolytic reactions | Kishore N. Vora, Donald N. Campbell, Robert C. Davis, Julio A. Reategui | 1989-06-13 |
| 4712008 | Ion mobility spectrometer | Kishore N. Vora, John P. Carrico, Sr., Donald N. Campbell, Charles E. Martin | 1987-12-08 |
| 4551624 | Ion mobility spectrometer system with improved specificity | John N. Cox | 1985-11-05 |
| 4445038 | Apparatus for simultaneous detection of positive and negative ions in ion mobility spectrometry | John F. Wroten, Jr. | 1984-04-24 |
| 4378499 | Chemical conversion for ion mobility detectors using surface interactions | Donald N. Campbell, Stanley Seeb | 1983-03-29 |
| 4311669 | Membrane interface for ion mobility detector cells | — | 1982-01-19 |