Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4398769 | Method for fragmenting underground formations by hydraulic pressure | — | 1983-08-16 |
| 4291581 | Monitoring earth/rock movements | — | 1981-09-29 |
| 4272128 | Method of creating a safe environment in salt mining | — | 1981-06-09 |
| 4221433 | Retrogressively in-situ ore body chemical mining system and method | — | 1980-09-09 |