Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5691475 | Method for measuring the propagation velocity of ultrasonic acoustic waves through rock fragments | Alberto Marsala, Santarelli Frederic | 1997-11-25 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5691475 | Method for measuring the propagation velocity of ultrasonic acoustic waves through rock fragments | Alberto Marsala, Santarelli Frederic | 1997-11-25 |