Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4968622 | Procedure for microbiologica transformation of sulphur containing harmful components in exhaust gases | Ludwig Berzaczy, Walter Etzenberger, Erwin Niedermayer, Alfred Schmidt, Andreas Windsperger | 1990-11-06 |