Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6550300 | Apparatus for producing annularly corrugated metal tubes | Ernst Hoffmann, Michael Meyer, Robert Strohmeyer, Friedrich Harten | 2003-04-22 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6550300 | Apparatus for producing annularly corrugated metal tubes | Ernst Hoffmann, Michael Meyer, Robert Strohmeyer, Friedrich Harten | 2003-04-22 |