Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8335428 | Method and system for protection switching | Vijay Khopade, Raghu Rajan, Manlio Marquez | 2012-12-18 |
| 8224180 | Method and system for protection switching | Vijay Khopade, Raghu Rajan, Manlio Marquez | 2012-07-17 |
| 4662445 | Method of increasing oil recovery by grading the ratio of monosulfonates and disulfonates | — | 1987-05-05 |
| 4467869 | Method to reduce sulfonate loss in micellar flooding | — | 1984-08-28 |