Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5637498 | Method for biological cleaning of a contaminated gas flow | Simon P. P. Ottengraf, Robertus Diks | 1997-06-10 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5637498 | Method for biological cleaning of a contaminated gas flow | Simon P. P. Ottengraf, Robertus Diks | 1997-06-10 |