Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4434705 | Introduced in the hydraulic actuation for the alternative movements of the swinging arms of petroleum extractor machines | — | 1984-03-06 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4434705 | Introduced in the hydraulic actuation for the alternative movements of the swinging arms of petroleum extractor machines | — | 1984-03-06 |