Gawantka Da Silva; Lelio Alberto
Patent Applications and Registrations
Patent applications and USPTO patent grants for Gawantka Da Silva; Lelio Alberto.The latest application filed is for "corrosion resistant sucker rods".
- Gawantka Da Silva; Lelio Alberto - City Bell AR
- Gawantka Da Silva, Lelio Alberto - Bell AR
| Patent | Date |
|---|---|
| Corrosion resistant sucker rods Grant 6,737,174 - Bianchi , et al. May 18, 2 | 2004-05-18 |
| Corrosion resistant sucker rods Grant 6,723,384 - Bianchi , et al. April 20, 2 | 2004-04-20 |
| Corrosion resistant sucker rods App 20030035895 - Bianchi, Gustavo Luis ; et al. | 2003-02-20 |
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