Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10113398 | Fuel cell apparatus and method for downhole power systems | Wenlin Zhang, Terizhandur S. Ramakrishnan, Albert Ronald Perez | 2018-10-30 |
| 9312557 | Fuel cell apparatus and method for downhole power systems | Wenlin Zhang, Terizhandur S. Ramakrishnan, Albert Ronald Perez | 2016-04-12 |