Issued Patents 2004
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6820716 | Acoustic isolator for well logging system | Herbert W. Beimgraben, Charles Hartmann, Douglas J. Patterson | 2004-11-23 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6820716 | Acoustic isolator for well logging system | Herbert W. Beimgraben, Charles Hartmann, Douglas J. Patterson | 2004-11-23 |