Lefevre; Robert P.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Lefevre; Robert P..The latest application filed is for "rapid pulsed multiple pulse ignition and high efficiency power inverter with controlled output characteristics".
- Lefevre; Robert P. - North Andover MA
- Lefevre; Robert P. - Dover NH
| Patent | Date |
|---|---|
| Rapid pulsed multiple pulse ignition and high efficiency power inverter with controlled output characteristics Grant 4,688,538 - Ward , et al. August 25, 1 | 1987-08-25 |
| Ultra lean burn carburetted adiabatic engine Grant 4,499,872 - Ward , et al. February 19, 1 | 1985-02-19 |
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