Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4428425 | Single pass filtration of oil or gas well completion fluids | John A. Young | 1984-01-31 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4428425 | Single pass filtration of oil or gas well completion fluids | John A. Young | 1984-01-31 |