Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10844757 | Valve for internal-combustion engines | Paulo R. Vieira De Morais | 2020-11-24 |
| 9683466 | Valve for internal combustion engines and method for obtaining a valve | Jose Valentim Lima Sarabanda, Paulo R. Vieira De Morais, Romulo P. Fogaca De Almeida | 2017-06-20 |