Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4211533 | Method of hot-briquetting mixtures of coal and coke | Gerd Nashan, Josef Langhoff, Joachim W. Lehmann, Dieter Makrutzki | 1980-07-08 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4211533 | Method of hot-briquetting mixtures of coal and coke | Gerd Nashan, Josef Langhoff, Joachim W. Lehmann, Dieter Makrutzki | 1980-07-08 |