Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5626042 | Device for the preparation of used metal barrels with a view to facilitating handling and recycling thereof | — | 1997-05-06 |
| 5463887 | Device for the preparation of used metal barrels with a view to facilitating handling and recycling thereof | — | 1995-11-07 |
| 4831867 | Methods and devices for measuring the ratio of incondensables in gas mixture | Gilles Trystam | 1989-05-23 |