Issued Patents 2003
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6548452 | Weight material for drilling fluids and method of creating and maintaining the desired weight | Thomas G. Shumate | 2003-04-15 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6548452 | Weight material for drilling fluids and method of creating and maintaining the desired weight | Thomas G. Shumate | 2003-04-15 |