Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4322243 | Combination method and device for gasifying coal and for reducing metal ores | Hans Frewer, Rainer Muller | 1982-03-30 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4322243 | Combination method and device for gasifying coal and for reducing metal ores | Hans Frewer, Rainer Muller | 1982-03-30 |