Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4861467 | System for removing contaminants from an oil tank in a hydraulic device | — | 1989-08-29 |
| 4806472 | Cloning and expression vector, yeast transformed by such vector and applications thereof | Laurence de Louvencourt, Henri Heslot, Micheline Wesolowski | 1989-02-21 |