Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5659110 | Process of purifying combustion exhaust gases | Gernot Mayer-Schwinning, Guenter Boening | 1997-08-19 |
| 5620673 | Process and apparatus for separating polycyclic and polyhalogenated hydrocarbons from exhaust gas of a sintering process | Stefan Federhen, Gernot Mayer-Schwinning, Hubert Roth | 1997-04-15 |