Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4326471 | Process for the carbonization of oil shale and other carbonizable materials | Gerhard Rohrbach | 1982-04-27 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4326471 | Process for the carbonization of oil shale and other carbonizable materials | Gerhard Rohrbach | 1982-04-27 |