Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8631672 | Apparatus for continuous corrugation of a metallic tube | Volker Zummach, Claus-Friedrich Theune | 2014-01-21 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8631672 | Apparatus for continuous corrugation of a metallic tube | Volker Zummach, Claus-Friedrich Theune | 2014-01-21 |