Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4595047 | Device for attaching an element for rotation in a tube | — | 1986-06-17 |
| 4583585 | System for cleaning tube-type exchangers automatically during operation | Michel Sanson | 1986-04-22 |