Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4218032 | Apparatus for convoluting webs onto rotary cores | Erich Nagel, Wolfgang Zahn, Heinz Kolbl, Ernst Ismann, Siegfried Bartel +2 more | 1980-08-19 |
| 4208120 | Apparatus for winding portions of films onto takeup reels which are confined in cassettes or the like | Alois Zachmeier, Heinz Kolbl | 1980-06-17 |
| 4195541 | Apparatus for perforating webs of photosensitive material in copying machines or the like | Heinz Kolbl, Alois Zachmeier | 1980-04-01 |