Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4211539 | Producing pure gas of high calorific value from gasification of solid fuel | Rudolf Kohlen, Carl Hafke | 1980-07-08 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4211539 | Producing pure gas of high calorific value from gasification of solid fuel | Rudolf Kohlen, Carl Hafke | 1980-07-08 |