Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7374412 | Extrusion head | Martin Balzer, Willi Doehmen, Heinz-Werner Eckerskorn, Lutz Forst, Roger Stehr +1 more | 2008-05-20 |
| 6715626 | Fuel container | Martin Balzer, Karsten Friedrichs, Werner Daubenbuechel, Olaf Welland | 2004-04-06 |
| 6612458 | Double-wall fuel container | Martin Balzer, Dieter Hess, Werner Daubenbuechel, Michael Pappert, Roger Stehr | 2003-09-02 |