Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7591329 | Auger with a movable gouge for making a borehole | Daniel Perpezat, Philippe Chagnot, Lewis Stansfield | 2009-09-22 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7591329 | Auger with a movable gouge for making a borehole | Daniel Perpezat, Philippe Chagnot, Lewis Stansfield | 2009-09-22 |