Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5690708 | Column for contacting gas and liquid | Enno Frank Wijn | 1997-11-25 |
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Anton Matthijs Danckaarts
Overall (1997): #176,936 of 185,788Top 100%
1
Patents 1997