Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5757473 | Optical strain sensor for the measurement of microdeformations of surfaces | Denis Jacob, Christian Renaud, Michel Cantin, Alain Coulombe | 1998-05-26 |
| 5381690 | Method and apparatus for measuring three dimensional stress in rock surrounding a borehole | Marty Hudyma | 1995-01-17 |