Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5819847 | Adapter for oil well tubings | Manoel Gomes Filho | 1998-10-13 |
| 5092403 | Packer centralizing device | — | 1992-03-03 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5819847 | Adapter for oil well tubings | Manoel Gomes Filho | 1998-10-13 |
| 5092403 | Packer centralizing device | — | 1992-03-03 |