Ravinet; Pierre
Patent Applications and Registrations
Patent applications and USPTO patent grants for Ravinet; Pierre.The latest application filed is for "electroacoustic transducer with a piezoelectric diaphragm".
- Ravinet; Pierre - Bourg La Reine FR
- Ravinet; Pierre - Paris FR
| Patent | Date |
|---|---|
| Electroacoustic transducer with a piezoelectric diaphragm Grant 4,607,145 - Ravinet , et al. August 19, 1 | 1986-08-19 |
| Electroacoustic transducer of the piezoelectric polymer type Grant 4,535,205 - Ravinet , et al. August 13, 1 | 1985-08-13 |
| Manufacturing an active suspension electromechanical transducer Grant 4,518,555 - Ravinet , et al. May 21, 1 | 1985-05-21 |
| Electro-acoustic transducer with active dome Grant 4,440,983 - Facoetti , et al. April 3, 1 | 1984-04-03 |
| Process for manufacturing electromechanical transducers using at least one polymer film Grant 4,403,382 - Facoetti , et al. September 13, 1 | 1983-09-13 |
| Active suspension piezoelectric polymer transducer Grant 4,401,911 - Ravinet , et al. August 30, 1 | 1983-08-30 |
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