Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4581253 | Process for preparing pre-cured proppant charge | John Evans | 1986-04-08 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4581253 | Process for preparing pre-cured proppant charge | John Evans | 1986-04-08 |