Fidi; Werner
Patent Applications and Registrations
Patent applications and USPTO patent grants for Fidi; Werner.The latest application filed is for "lacquer-coated wire".
- Fidi; Werner - Baden AT
| Patent | Date |
|---|---|
| Method of manufacturing a lacquer coated wire Grant 6,789,311 - Fidi , et al. September 14, 2 | 2004-09-14 |
| Lacquer-coated wire App 20030054192 - Fidi, Werner ; et al. | 2003-03-20 |
| Stereophonic binaural recording or reproduction method Grant 5,033,086 - Fidi July 16, 1 | 1991-07-16 |
| Resiliently fastened support device for a microphone Grant 4,955,578 - Fidi September 11, 1 | 1990-09-11 |
| Pressure gradient pickup Grant 4,858,719 - Fidi , et al. August 22, 1 | 1989-08-22 |
| Breathing mask having a transducer movable parts coupled to a speaking diaphragm for speech transmission Grant 4,718,415 - Bolnberger , et al. January 12, 1 | 1988-01-12 |
| Ear piece construction Grant 4,572,324 - Fidi , et al. February 25, 1 | 1986-02-25 |
| Microphone diaphragm Grant 4,508,192 - Fidi , et al. April 2, 1 | 1985-04-02 |
| Coupling member for a capacitive microphone Grant 4,501,462 - Fidi February 26, 1 | 1985-02-26 |
| Elastic support for electroacoustic transducers Grant 4,453,046 - Fidi , et al. June 5, 1 | 1984-06-05 |
| Electracoustic transducer Grant 4,447,678 - Fidi May 8, 1 | 1984-05-08 |
| Headphone earpiece Grant 4,071,717 - Fidi , et al. January 31, 1 | 1978-01-31 |
| Zigzag arrangement of helical springs in devices for generating artificial reverberation Grant 3,933,345 - Fidi , et al. January 20, 1 | 1976-01-20 |
| Polarity Independent Preamplifier For Sound Transmitters Grant 3,595,998 - Fidi , et al. July 27, 1 | 1971-07-27 |
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