Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8979958 | Air cleaner pre-filtration improvement | Carlos Alberto da Silva | 2015-03-17 |
| 8876961 | Particle separator with deflector and lateral opening and air filter system | Carlos Alberto da Silva | 2014-11-04 |