Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6216789 | Heave compensated wireline logging winch system and method of use | Marc Lorsignol, Angus Armstrong, Laurent Farnieras | 2001-04-17 |
| 5736936 | Method and apparatus for predicting peak voltage of a cable conveyed tool | Bart Bombay, Lloyd Douglas Clark, Terry L. Mayhugh, Jimmy Everett Neeley, Guy Vachon | 1998-04-07 |
| 5546672 | Magnetic mark detection | Heather A. Campbell, Terry L. Mayhugh, Guy Vachon | 1996-08-20 |
| 5357395 | Undervoltage protection circuit, system and method of operating same | Steven A. Bissell, Robert Brandon Hyde | 1994-10-18 |
| 4490788 | Well-logging data processing system having segmented serial processor-to-peripheral data links | — | 1984-12-25 |