Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5575452 | Blowout preventer with ram wedge locks | Melvyn F. Whitby, David L. O'Donnell | 1996-11-19 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5575452 | Blowout preventer with ram wedge locks | Melvyn F. Whitby, David L. O'Donnell | 1996-11-19 |