Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5352890 | Quadrupole ion trap mass spectrometer having two axial modulation excitation input frequencies and method of parent and neural loss scanning | Randall E. Pedder, Richard A. Yost, Michael S. Story | 1994-10-04 |
| 5171991 | Quadrupole ion trap mass spectrometer having two axial modulation excitation input frequencies and method of parent and neutral loss scanning | Randall E. Pedder, Richard A. Yost, Michael S. Story | 1992-12-15 |
| 5075547 | Quadrupole ion trap mass spectrometer having two pulsed axial excitation input frequencies and method of parent and neutral loss scanning and selected reaction monitoring | Randall E. Pedder, Richard A. Yost, Michael S. Story | 1991-12-24 |