Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4301867 | Process for selectively reducing the permeability of a subterranean sandstone formation | Robert D. Sydansk, Paul R. Gucwa | 1981-11-24 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4301867 | Process for selectively reducing the permeability of a subterranean sandstone formation | Robert D. Sydansk, Paul R. Gucwa | 1981-11-24 |