Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6736222 | Relative drill bit direction measurement | Arthur F. Kuckes, Rahn Pitzer | 2004-05-18 |
| 4663593 | Method of electromagnetic exploration | — | 1987-05-05 |
| 4581932 | Tuned borehole gravity gradiometer | Theodore V. Lautzenhiser | 1986-04-15 |