Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8733456 | Apparatus and methods for multi-layer wellbore construction | Joerg Lehr, Ines Gruetzmann, Detlev Benedict, Keven O'Connor, Matthias Moeller | 2014-05-27 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8733456 | Apparatus and methods for multi-layer wellbore construction | Joerg Lehr, Ines Gruetzmann, Detlev Benedict, Keven O'Connor, Matthias Moeller | 2014-05-27 |