Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4595513 | Oil base well treating fluids thickened by block copolymers | Lee N. Morgenthaler | 1986-06-17 |
| 4490493 | Stabilized bituminous blends | — | 1984-12-25 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4595513 | Oil base well treating fluids thickened by block copolymers | Lee N. Morgenthaler | 1986-06-17 |
| 4490493 | Stabilized bituminous blends | — | 1984-12-25 |