Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7858950 | Electrostatic dispersion lenses and ion beam dispersion methods | David A. Dahl | 2010-12-28 |
| 7518105 | Continuous sampling ion mobility spectrometers and methods therefor | David A. Dahl, Jill R. Scott, Timothy R. McJunkin, John E. Olson | 2009-04-14 |
| 7518106 | Ion mobility spectrometers and methods for ion mobility spectrometry | David A. Dahl, Jill R. Scott, Timothy R. McJunkin, John E. Olson | 2009-04-14 |
| 7038216 | Electrostatic shape-shifting ion optics | David A. Dahl, Jill R. Scott | 2006-05-02 |
| 6984821 | Mass spectrometer and methods of increasing dispersion between ion beams | John E. Olson, James E. Delmore | 2006-01-10 |
| 5665966 | Current measuring system | David A. Dahl, John E. Olson | 1997-09-09 |
| 5506185 | Ceramic oxyanion emitter | James E. Delmore, Eric S. Peterson | 1996-04-09 |
| 4968888 | Pulsed field sample neutralization | David A. Dahl, James E. Delmore | 1990-11-06 |