Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4240877 | Method for preheating coal for coking | Dieter Stahlherm, Janos Bocsanczy, Hans Becker | 1980-12-23 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4240877 | Method for preheating coal for coking | Dieter Stahlherm, Janos Bocsanczy, Hans Becker | 1980-12-23 |