Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5836390 | Method for formation of subsurface barriers using viscous colloids | John Apps, Peter Persoff, George Moridis | 1998-11-17 |
| 5311766 | Method and apparatus for determining two-phase flow in rock fracture | Peter Persoff, Larry R. Myer | 1994-05-17 |