Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4884250 | Accelerometer for blast monitoring | David Sprott, Michel Menard | 1989-11-28 |
| 4845990 | Ultrasonic mine survey probe | Vladimir M. Labuc | 1989-07-11 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4884250 | Accelerometer for blast monitoring | David Sprott, Michel Menard | 1989-11-28 |
| 4845990 | Ultrasonic mine survey probe | Vladimir M. Labuc | 1989-07-11 |