Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4847466 | Plasma torch having a longitudinally mobile arc root, and process for controlling the displacement thereof | Pierre Pasquini, Jean-Pierre Serrano, Didier Pineau | 1989-07-11 |
| 4831944 | Process and device for destroying solid waste by pyrolysis | Jean-Pierre Durand, Joel Truc, Yves H. G. Valy | 1989-05-23 |