Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4974880 | Reduction bushings in the casing of production and injection wells | Flavio F. Eggers, Ernesto T. Foronda, Alvaro A. H. Rocha | 1990-12-04 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4974880 | Reduction bushings in the casing of production and injection wells | Flavio F. Eggers, Ernesto T. Foronda, Alvaro A. H. Rocha | 1990-12-04 |