Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4553589 | Fire-safe surface-controlled subsurface safety valve control line/wellhead connector and blowout preventer | Charles E. Jennings, Charles D. Bridges | 1985-11-19 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4553589 | Fire-safe surface-controlled subsurface safety valve control line/wellhead connector and blowout preventer | Charles E. Jennings, Charles D. Bridges | 1985-11-19 |