Griese; Frederico
Patent Applications and Registrations
Patent applications and USPTO patent grants for Griese; Frederico.The latest application filed is for "bi-fuel conversion device for an internal combustion engine".
- Griese; Frederico - Campinas BR
- Griese, Frederico - Campinas-Sao Paulo BR
| Patent | Date |
|---|---|
| Bi-fuel conversion device for an internal combustion engine Grant 8,108,120 - Griese January 31, 2 | 2012-01-31 |
| Bi-fuel Conversion Device For An Internal Combustion Engine App 20100332104 - Griese; Frederico | 2010-12-30 |
| Bi-fuel converter device for automobiles and internal combustion engines App 20050273246 - Griese, Frederico | 2005-12-08 |
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