Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4753261 | Core-annular flow process | Emilio Guevara, Gustavo Nunez | 1988-06-28 |
| 4745937 | Process for restarting core flow with very viscous oils after a long standstill period | Emilio Guevara, Gustavo Nunez | 1988-05-24 |