Issued Patents 2017
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9586302 | Method for cyclically screening a working chamber opening and a screening device for carrying out the method | Berthold Kampen, Heinrich Dropmann | 2017-03-07 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9586302 | Method for cyclically screening a working chamber opening and a screening device for carrying out the method | Berthold Kampen, Heinrich Dropmann | 2017-03-07 |