Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4867205 | Flexible duct having no appreciable variation in length under the effect of an internal pressure | Claude Bournazel | 1989-09-19 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4867205 | Flexible duct having no appreciable variation in length under the effect of an internal pressure | Claude Bournazel | 1989-09-19 |