Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9909327 | Wall formwork with coupling device | Volker Klehr | 2018-03-06 |
| 9487961 | Connecting device for formwork boards | Georg Grzondziel, Volker Klehr | 2016-11-08 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9909327 | Wall formwork with coupling device | Volker Klehr | 2018-03-06 |
| 9487961 | Connecting device for formwork boards | Georg Grzondziel, Volker Klehr | 2016-11-08 |