Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5658860 | Environmentally safe lubricated well fluid method of making a well fluid and method of drilling | William M. Dye | 1997-08-19 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5658860 | Environmentally safe lubricated well fluid method of making a well fluid and method of drilling | William M. Dye | 1997-08-19 |