Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6115896 | Maintenance device for flat filter head valves | Herlon Quintao Gon.cedilla.alves, Nelson Aparecido Sena, Jose Geraldo Silva, Eduardo L.S. Silva, Luiz De Souza Ferreira | 2000-09-12 |