Issued Patents 2021
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11162586 | Piston ring and method of manufacture | Fabio Mendes de Araujo, Gisela Ablas Marques | 2021-11-02 |
| 11156291 | Piston ring and method of manufacture | Fabio Mendes de Araujo, Gisela Ablas Marques | 2021-10-26 |
| 11047478 | Piston ring and method of manufacture | Fabio Mendes de Araujo | 2021-06-29 |
| 10995857 | Piston ring for internal combustion engines | Juliano Avelar Araujo, Nuno Costa, Paulo Jose Da Rocha Mordente | 2021-05-04 |