Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5635145 | Multi-bed downflow reactor | Willem van Vliet | 1997-06-03 |
AH
Arie P. Den Hartog
Overall (1997): #175,224 of 185,788Top 95%
1
Patents 1997