Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5603481 | Front packer for ram-type blowout preventer | Eric G. Childs | 1997-02-18 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5603481 | Front packer for ram-type blowout preventer | Eric G. Childs | 1997-02-18 |