Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4437812 | Single-pump multiple stroke proportioning for gradient elution liquid chromatography | John C. Helmer, Stephen J. Luchetti | 1984-03-20 |
| 4262205 | Fluorometer with high sensitivity and stability | — | 1981-04-14 |
| 4181853 | Liquid chromatography system with packed flow cell for improved fluorescence detection | Edward L. Johnson | 1980-01-01 |