Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5025669 | Device for carrying out stress tests on rock sample and other materials | Jean-Paul Sarda, Guy Grard, Jean-Pierre Deflandre | 1991-06-25 |
| 5014440 | Device and method for measuring the deformations of a sample | Jacques Lessi, Daniel Bary, Guy Grard | 1991-05-14 |
| 5009512 | Device and method for measuring the deformations of a sample | Jacques Lessi, Daniel Bary, Guy Grard | 1991-04-23 |