Issued Patents 1989
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4882063 | Chromatographic system | John N. Jones | 1989-11-21 |
| 4882781 | Method for predicting steady-state conditions | — | 1989-11-21 |
| 4869374 | Chromatographic pumping system | — | 1989-09-26 |
| 4863592 | Apparatus for reducing tailing in a liquid chromatograph | Abolghassem Y. Tehrani, John N. Jones | 1989-09-05 |
| 4809123 | Ground fault detector for high-voltage DC power supplies | Larry J. Friling | 1989-02-28 |