Issued Patents 2017
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9834404 | Method of making a downhole swellable seal with a passageway therethrough | Robert O. Castillo, Darwin D. Arline | 2017-12-05 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9834404 | Method of making a downhole swellable seal with a passageway therethrough | Robert O. Castillo, Darwin D. Arline | 2017-12-05 |