Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6585040 | Downhole drilling apparatus | Tommie A. Freeman, William M. Imwalle | 2003-07-01 |
| 6550550 | Downhole drilling apparatus | Tommie A. Freeman, William M. Imwalle | 2003-04-22 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6585040 | Downhole drilling apparatus | Tommie A. Freeman, William M. Imwalle | 2003-07-01 |
| 6550550 | Downhole drilling apparatus | Tommie A. Freeman, William M. Imwalle | 2003-04-22 |