Issued Patents 2019
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10221646 | Anti-extrusion ram seal for blowout preventer | Werner Harder | 2019-03-05 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10221646 | Anti-extrusion ram seal for blowout preventer | Werner Harder | 2019-03-05 |