Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5169611 | Method of purifying the exhaust gases from plants for the production of cement clinker | Detlev Kupper, Ludger Brentrop, Wolfgang Rother | 1992-12-08 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5169611 | Method of purifying the exhaust gases from plants for the production of cement clinker | Detlev Kupper, Ludger Brentrop, Wolfgang Rother | 1992-12-08 |