Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7650963 | Acoustic isolator for well logging system | Charles E. Redding, Herbert W. Beimgraben, Douglas J. Patterson | 2010-01-26 |
| 6820716 | Acoustic isolator for well logging system | Charles E. Redding, Herbert W. Beimgraben, Douglas J. Patterson | 2004-11-23 |
| 4182740 | Flame ionization detector | Michael Martin | 1980-01-08 |