Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4591193 | Line pipe of synthetic material especially for waste water | Heinrich Oltmanns, Axel Granz, Rolf Othold | 1986-05-27 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4591193 | Line pipe of synthetic material especially for waste water | Heinrich Oltmanns, Axel Granz, Rolf Othold | 1986-05-27 |