Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6497284 | Single trip perforating and fracturing/gravel packing | Ronald van Petegem | 2002-12-24 |
| 6494260 | Single trip perforating and fracturing/gravel packing | Ronald van Petegem | 2002-12-17 |