Faith; Richard W.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Faith; Richard W..The latest application filed is for "circuit and method for a transimpedance audio amplifier providing variable gain while maintaining load impedance".
- Faith; Richard W. - Phoenix AZ
- Faith; Richard W. - Camarillo CA
- Faith; Richard W. - Oxnard CA
- Faith; Richard W. - Hacienda Heights CA
| Patent | Date |
|---|---|
| Circuit and method for a transimpedance audio amplifier providing variable gain while maintaining load impedance Grant 6,816,009 - Hughes , et al. November 9, 2 | 2004-11-09 |
| Circuit and method for a transimpedance audio amplifier providing variable gain while maintaining load impedance App 20040012440 - Hughes, William Edward ; et al. | 2004-01-22 |
| Exhaust fan timeout system App 20030127914 - Homan, Timothy C. ; et al. | 2003-07-10 |
| Phase coherent crossover Grant 5,930,374 - Werrbach , et al. July 27, 1 | 1999-07-27 |
| Telephone line test and display circuit Grant 4,777,645 - Faith , et al. October 11, 1 | 1988-10-11 |
| Subscriber/craftsperson ringback apparatus Grant 4,764,949 - Faith , et al. August 16, 1 | 1988-08-16 |
| Telephone light adapter Grant 4,747,133 - Valenzona , et al. May 24, 1 | 1988-05-24 |
| High input impedance amplifier circuit Grant 4,524,331 - Faith June 18, 1 | 1985-06-18 |
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