Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5601792 | Cleaning exhaust gases from combustion installations | Hans Thomas Hug, Michael Hug | 1997-02-11 |
| 5431893 | Cleaning exhaust gases from combustion installations | Hans Thomas Hug, Michael Hug | 1995-07-11 |