Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5680905 | Apparatus and method for perforating wellbores | Robert Green | 1997-10-28 |
| 5611401 | One-trip conveying method for packer/plug and perforating gun | Kare-Jonny Haugvalstad, Robert K. Bethel, Kelly D. Ireland, Timothy Sampson | 1997-03-18 |