Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5163330 | Apparatus for testing an elongated conduit using an internally applied non destructive wall deformation | Alain Tidiere | 1992-11-17 |
| 5101667 | Method enabling a diagnosis to be made of the condition of a conduit or gallery and equipment for the implementation thereof | Alain Tidiere | 1992-04-07 |