Backram; Hans-Erik
Patent Applications and Registrations
Patent applications and USPTO patent grants for Backram; Hans-Erik.The latest application filed is for "power supply for microphone".
- Backram; Hans-Erik - Saffle SE
| Patent | Date |
|---|---|
| Power supply for microphone Grant 6,427,015 - Backram , et al. July 30, 2 | 2002-07-30 |
| Class d amplifier with pulse width modulation and a very low power consumption Grant 6,191,650 - Backram , et al. February 20, 2 | 2001-02-20 |
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