Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4483458 | Closure system for pressure vessels | Heribert Dierkes, Jorg-Peter Korner, Peter Saamer | 1984-11-20 |
| 4432123 | Process for the manufacture of double walled pipe | Heribert Dierkes | 1984-02-21 |