Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6789623 | Method and apparatus for open hole gravel packing | Leo E. Hill, Jr. | 2004-09-14 |
| 6702020 | Crossover Tool | James R. Zachman | 2004-03-09 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6789623 | Method and apparatus for open hole gravel packing | Leo E. Hill, Jr. | 2004-09-14 |
| 6702020 | Crossover Tool | James R. Zachman | 2004-03-09 |