Issued Patents 2018
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9922735 | Device for closing a drive casing pipe | Erhard Müller, Paul Huprich | 2018-03-20 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9922735 | Device for closing a drive casing pipe | Erhard Müller, Paul Huprich | 2018-03-20 |