Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5697503 | Screening sieves, notably for paper pulp | — | 1997-12-16 |
| 5650044 | Paper-pulp deinking method and equipment to implement this method | — | 1997-07-22 |
| 5624609 | Enhancements to the air injection devices in a paper pulp flow for de-inking thereof | Alain Meuret, Philippe Colin | 1997-04-29 |