Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4266968 | Process for injecting brown coal into a blast furnace | Gunther Nothhelfer, Friedrich H. Franke, Raymond Limpach | 1981-05-12 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4266968 | Process for injecting brown coal into a blast furnace | Gunther Nothhelfer, Friedrich H. Franke, Raymond Limpach | 1981-05-12 |