Issued Patents 2017
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9687897 | Apparatus and method for impressing a corrugation into a pipe | Volker Zummach, Thomas Krause, Anatoli Schmidt | 2017-06-27 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9687897 | Apparatus and method for impressing a corrugation into a pipe | Volker Zummach, Thomas Krause, Anatoli Schmidt | 2017-06-27 |