Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9677290 | Attachable anchoring system for wall formwork, and method | Martin Berger, Volker Klehr | 2017-06-13 |
| 9637938 | Assembly of formwork, and graduated anchoring system | Martin Berger, Volker Klehr | 2017-05-02 |
| 9580922 | Locking device having wall formwork locking device and process | Volker Klehr | 2017-02-28 |
| 4752057 | Steel tube prop with rapid release | — | 1988-06-21 |