Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5859431 | Sample holder for mass spectrometer | John Stanley Cotrell | 1999-01-12 |
| 5308978 | Method of preparing a sample for analysis | John S. Cottrell | 1994-05-03 |
| 5281538 | Method of preparing a sample for analysis by laser desorption mass spectrometry | John S. Cottrell | 1994-01-25 |
| 5260571 | Method of preparing a sample for analysis | John S. Cottrell | 1993-11-09 |