Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5286451 | Apparatus for controlled delivery of particulate material | Roger Guevremont | 1994-02-15 |
| 5256374 | Sample introduction for spectrometers | Roger Guevremont | 1993-10-26 |
| 4836039 | Method and apparatus for introduction of a particulate sample for analysis | Roger Guevremont | 1989-06-06 |