Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4882063 | Chromatographic system | Robert W. Allington | 1989-11-21 |
| 4863592 | Apparatus for reducing tailing in a liquid chromatograph | Robert W. Allington, Abolghassem Y. Tehrani | 1989-09-05 |