Issued Patents 2004
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6672405 | Perforating gun assembly for use in multi-stage stimulation operations | Randy C. Tolman, Kris J. Nygaard, William A. Sorem, Timothy J. Hall, Jeffrey R. Bailey | 2004-01-06 |