Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5172480 | Borehole deviation monitor | Vladimir M. Labuc, Michel Hamelin, Patrick Andrieux | 1992-12-22 |
| 4884250 | Accelerometer for blast monitoring | Frank Kitzinger, Michel Menard | 1989-11-28 |
| 4627338 | Apparatus for the treatment of ruminant forage material or soil | C. Alan Rotz | 1986-12-09 |