Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7451963 | Leading sheave mine winding engine with improved cooling air conduction | Rainer Finkenbusch, Norbert Bauer, Frank Kristek | 2008-11-18 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7451963 | Leading sheave mine winding engine with improved cooling air conduction | Rainer Finkenbusch, Norbert Bauer, Frank Kristek | 2008-11-18 |