Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6007602 | Apparatus and method for chemical modulation | Edward B. Ledford, Jr. | 1999-12-28 |
| 5196039 | Apparatus and method of multi-dimensional chemical separation | Zaiyou Liu | 1993-03-23 |
| 5135549 | Chromatographic technique and apparatus | Zaiyou Liu | 1992-08-04 |