Issued Patents 2002
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6405919 | Process for the continuous production of longitudinally seam-welded and corrugated metal tubes | Ernst Hoffmann, Wolfram Klebl, Dieter Muller | 2002-06-18 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6405919 | Process for the continuous production of longitudinally seam-welded and corrugated metal tubes | Ernst Hoffmann, Wolfram Klebl, Dieter Muller | 2002-06-18 |