Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4858653 | Structure formed from a straight strip bent or corrugated and the method of manufacturing same | Anh Tuan Do, Jean-Michel Gerez, Lucien Le Gallais | 1989-08-22 |
| 4811761 | Flexible tube for carrying heating or refrigerant fluids | — | 1989-03-14 |