Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4407701 | Apparatus for treating gases produced from coal | Dietrich Wagener, Horst Fach, Otto Abel | 1983-10-04 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4407701 | Apparatus for treating gases produced from coal | Dietrich Wagener, Horst Fach, Otto Abel | 1983-10-04 |