Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5908679 | Pipe of polyethylene having improved mechanical properties | Joachim Berthold, Ludwig Bohm, Werner Breuers, Johannes-Friedrich Enderle, Manfred Fleissner +3 more | 1999-06-01 |