Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4453595 | Method of measuring fracture pressure in underground formations | Edward W. Peterson | 1984-06-12 |
| 4442895 | Method of hydrofracture in underground formations | Edward W. Peterson | 1984-04-17 |
| 4392376 | Method and apparatus for monitoring borehole conditions | Edward W. Peterson, William O. Hicks | 1983-07-12 |
| 4353249 | Method and apparatus for in situ determination of permeability and porosity | Edward W. Peterson | 1982-10-12 |