Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4861488 | Automatic chromatography process | Philip W. Thompson, John L. Harris | 1989-08-29 |
| 4802981 | Automatic chromatography apparatus | Philip W. Thompson, John L. Harris | 1989-02-07 |