Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4293388 | Apparatus for producing abrasion-proof coke forms from bituminous coal, brown coal or peat briquets | Kurt Lorenz, Horst Dungs, Roman Kurtz | 1981-10-06 |
| 4259157 | Method of producing abrasion-proof coke forms from bituminous coal, brown coal or peat briquets | Kurt Lorenz, Horst Dungs, Roman Kurtz | 1981-03-31 |