Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6818888 | Vortex flow atmospheric pressure chemical ionization source for mass spectrometry | Gregory J. Wells | 2004-11-16 |
| 6794646 | Method and apparatus for atmospheric pressure chemical ionization | Roger Tong, Gregory J. Wells | 2004-09-21 |