Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE30230 | Closed circuit method of circulating a substantially solid free drilling fluid | Junius M. Jackson, deceased | 1980-03-18 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE30230 | Closed circuit method of circulating a substantially solid free drilling fluid | Junius M. Jackson, deceased | 1980-03-18 |