Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9938793 | Spherical blow out preventer annular seal | Andreas Hagen, Christopher Neumann, Bernd Altmueller | 2018-04-10 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9938793 | Spherical blow out preventer annular seal | Andreas Hagen, Christopher Neumann, Bernd Altmueller | 2018-04-10 |