Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5720355 | Drill bit instrumentation and method for controlling drilling or core-drilling | Etienne Lamine, Pierre Stassain, Michael S. Bittar, Paul F. Rodney | 1998-02-24 |
| 5501285 | Method for controlling the head of a drilling or core-drilling device and apparatus for carrying out this method | Etienne Lamine | 1996-03-26 |