Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6453239 | Method and apparatus for borehole surveying | Kirby G. Schrader, Jean-Michel Hache | 2002-09-17 |
| 6381858 | Method for calculating gyroscopic wellbore surveys including correction for unexpected instrument movement | — | 2002-05-07 |