Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6843119 | Apparatus for measuring and recording data from boreholes | Douglas J. Belshaw | 2005-01-18 |
| 6550321 | Apparatus for measuring and recording data from boreholes | Kevin Allan Dooley, Douglas J. Belshaw | 2003-04-22 |
| 6158276 | Apparatus for measuring and recording data from boreholes | Kevin Allan Dooley, Douglas J. Belshaw | 2000-12-12 |
| 4782330 | Data acquisition system | David Tindall, III | 1988-11-01 |