Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4290981 | Exchanger element for bottoms in material exchanger columns | — | 1981-09-22 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4290981 | Exchanger element for bottoms in material exchanger columns | — | 1981-09-22 |