Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5756996 | Ion source assembly for an ion trap mass spectrometer and method | Mark E. Bier, John E. P. Syka, Dennis M. Taylor | 1998-05-26 |
| 4816675 | Quadrupole mass filter with unbalanced R.F. voltage | Michael S. Story | 1989-03-28 |
| 4755670 | Fourtier transform quadrupole mass spectrometer and method | John E. P. Syka | 1988-07-05 |
| 4650999 | Method of mass analyzing a sample over a wide mass range by use of a quadrupole ion trap | Paul E. Kelley, Walter E. Reynolds, George C. Stafford, John E. P. Syka | 1987-03-17 |
| 4214160 | Mass spectrometer system and method for control of ion energy for different masses | Ronald D. Smith, John R. Reeher, Michael S. Story | 1980-07-22 |