Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4848645 | Assembly device of ferritic stainless steel tubes on a carbon tube-plate, and process for producing this device | Edmond Maria, Alain Vanderschaegbe, Jean Bezier | 1989-07-18 |