Issued Patents 2017
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9810323 | Piston ring | Paulo Jose Da Rocha Mordente, Paulo R. Vieira De Morais | 2017-11-07 |
| 9683466 | Valve for internal combustion engines and method for obtaining a valve | Pedro M. Lerman, Paulo R. Vieira De Morais, Romulo P. Fogaca De Almeida | 2017-06-20 |