Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4825940 | Automatic process and device for cleaning a heat exchanger for gaseous fluids | Paul Barroyer, Bernard Foucher, Leon Bouilliez | 1989-05-02 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4825940 | Automatic process and device for cleaning a heat exchanger for gaseous fluids | Paul Barroyer, Bernard Foucher, Leon Bouilliez | 1989-05-02 |