Issued Patents 2021
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11143302 | Sliding element for internal combustion engines | Juliano Avelar Araujo | 2021-10-12 |
| 10995857 | Piston ring for internal combustion engines | Juliano Avelar Araujo, Nuno Costa, Jose Valentim Lima Sarabanda | 2021-05-04 |