Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4843243 | Method and apparatus for continuous collection of chromatographic effluent | Klaus Biemann | 1989-06-27 |
| 4823009 | Ir compatible deposition surface for liquid chromatography | Klaus Biemann | 1989-04-18 |