Issued Patents 2019
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10435961 | Securing mechanism for rotary assembly wear sleeves | Edgar Andres Estrada, Mesfin Ayale Demissie | 2019-10-08 |
| 10174556 | Downhole drilling motor | Edgar Andres Estrada | 2019-01-08 |