Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7275605 | Rotatable drill shoe | Kenneth L. Smith, Edward Cousins, Gary J. Collins | 2007-10-02 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7275605 | Rotatable drill shoe | Kenneth L. Smith, Edward Cousins, Gary J. Collins | 2007-10-02 |