Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6422338 | Exhaust gas muffler for internal combustion engines | Bernhard Durr, Gerd Wöllhaf | 2002-07-23 |
| 6342091 | Method of removing carbon dioxide, sulphur compounds, water and aromatic and higher aliphatic hydrocarbons from industrial gases | Oliver Tondorf | 2002-01-29 |