Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6494360 | Method and device for producing straight bead welded pipes from flat sheet metal blanks | Thomas Flehmig, Thomas Neuhausmann | 2002-12-17 |
| 6428905 | Double sheet metal consisting of two covering metal sheets and an intermediate layer | Friedrich Behr, Horst Mittelstädt, Cetin Nazikkol, Werner Hufenbach, Frank Adam | 2002-08-06 |