Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6984821 | Mass spectrometer and methods of increasing dispersion between ion beams | Anthony D. Appelhans, John E. Olson | 2006-01-10 |
| 5506185 | Ceramic oxyanion emitter | Anthony D. Appelhans, Eric S. Peterson | 1996-04-09 |
| 4968888 | Pulsed field sample neutralization | Anthony D. Appelhans, David A. Dahl | 1990-11-06 |
| 4649279 | Negative ion source | — | 1987-03-10 |