Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4591193 | Line pipe of synthetic material especially for waste water | Axel Granz, Willi Dalhoff, Rolf Othold | 1986-05-27 |
| 4521947 | Method for manufacturing a catalytic reactor carrier matrix | Manfred Nonnenmann, Manfred Hohhausel | 1985-06-11 |
| 4381590 | Method for manufacturing a catalytic reactor carrier matrix | Manfred Nonnenmann, Manfred Hohhausel | 1983-05-03 |
| 4299070 | Box formed building panel of extruded plastic | Axel Granz | 1981-11-10 |