Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4878576 | Method for accumulating and containing bore hole solids and recovering drill fluids and waste water on drilling rigs | — | 1989-11-07 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4878576 | Method for accumulating and containing bore hole solids and recovering drill fluids and waste water on drilling rigs | — | 1989-11-07 |