Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5445222 | Whipstock and staged sidetrack mill | Michael D. Pritchard, James R. McCain, Gary Richard McCain | 1995-08-29 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5445222 | Whipstock and staged sidetrack mill | Michael D. Pritchard, James R. McCain, Gary Richard McCain | 1995-08-29 |