Issued Patents 2004
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6763883 | Method and apparatus for improved communication in a wellbore utilizing acoustic signals | John W. Harrell | 2004-07-20 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6763883 | Method and apparatus for improved communication in a wellbore utilizing acoustic signals | John W. Harrell | 2004-07-20 |