Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6752184 | Milling tool for machining wood, wooden materials, synthetic materials or the like | Roland Fisher, Klaus Rehm | 2004-06-22 |
| 6454499 | Device and method for machining workpieces | Hans-Juergen Gittel, Ewald Westfal, Kurt Kalmbach, Wilhelm Kalmbach, Roland Fischer | 2002-09-24 |
| 4713234 | Process and apparatus for conversion of water vapor with coal or hydrocarbon into a product gas | Walter Weirich, Heiko Barnert, Rudolf Schulten | 1987-12-15 |