Issued Patents 2004
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6715601 | Method for control of the chain drive mechanisms of underground working machines, especially chain scraper conveyors, and a chain scraper conveyor | Dirk Abel, Arno Breimhorst, Gerhard Merten, Peter Herkenrath, Nicole Kostiza +2 more | 2004-04-06 |