Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6655291 | Shaped-charge liner | Dan W. Pratt, John K. Rouse | 2003-12-02 |
| 6505559 | Well bore cutting and perforating devices and methods of manufacture | Johnny Joslin, Dan W. Pratt | 2003-01-14 |