Issued Patents 1982
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4338999 | Knockout pin trap | — | 1982-07-13 |
| 4334582 | Method of cementing from a floating vessel | Eugene E. Baker | 1982-06-15 |
| 4319638 | Apparatus for cementing from a floating vessel | Eugene E. Baker | 1982-03-16 |