Issued Patents 1994
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5333832 | Blowout preventer with removable packer | Leroy E. Bartholomew, Eric G. Childs | 1994-08-02 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5333832 | Blowout preventer with removable packer | Leroy E. Bartholomew, Eric G. Childs | 1994-08-02 |