Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5030297 | Process for the manufacture of seamless pressure vessels and its named product | Bernhard Hoffmann, Heinz-Joachim Muller, Ingo von Hagen | 1991-07-09 |
| 4884708 | Pressure vessel | Ernst Lange, Karl H. Scholl | 1989-12-05 |