Kurth; Carl Ferdinand
Patent Applications and Registrations
Patent applications and USPTO patent grants for Kurth; Carl Ferdinand.The latest application filed is for "method and apparatus for interfacing digital and analog carrier systems".
- Kurth; Carl Ferdinand - Andover MA
| Patent | Date |
|---|---|
| Method and apparatus for interfacing digital and analog carrier systems Grant 4,013,842 - Kao , et al. March 22, 1 | 1977-03-22 |
| Monolithic crystal filter Grant 3,944,951 - Kurth March 16, 1 | 1976-03-16 |
| Active resistor-capacitor filter arrangement Grant 3,904,978 - Daniels , et al. September 9, 1 | 1975-09-09 |
| Frequency Division Multiplex Single-sideband Modulation System Grant 3,676,598 - Kurth July 11, 1 | 1972-07-11 |
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