Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5635145 | Multi-bed downflow reactor | Arie P. Den Hartog | 1997-06-03 |
WV
Willem van Vliet
Overall (1997): #58,781 of 185,788Top 35%
1
Patents 1997