Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11702889 | Maritime drilling with fluid reverse circulation without using drilling riser | Joseir Gandra Percy, Roni Abensur Gandelman, Guilherme Ribeiro Magalhaes, Guilherme Siqueira Vanni, Augusto Borella Hougaz +2 more | 2023-07-18 |