Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4432077 | Determination of formation permeability from a long-spaced acoustic log | Joseph Zemanek, Jr. | 1984-02-14 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4432077 | Determination of formation permeability from a long-spaced acoustic log | Joseph Zemanek, Jr. | 1984-02-14 |