Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5439064 | System for controlled drilling of boreholes along planned profile | — | 1995-08-08 |
| 5419405 | System for controlled drilling of boreholes along planned profile | — | 1995-05-30 |
| 5341886 | System for controlled drilling of boreholes along planned profile | — | 1994-08-30 |
| 5220963 | System for controlled drilling of boreholes along planned profile | — | 1993-06-22 |
| 5103920 | Surveying system and method for locating target subterranean bodies | — | 1992-04-14 |
| 4957172 | Surveying method for locating target subterranean bodies | C. Mackay Foster | 1990-09-18 |