Marczak; Tomasz
Patent Applications and Registrations
Patent applications and USPTO patent grants for Marczak; Tomasz.The latest application filed is for "differential microphone and method for driving a differential microphone".
- Marczak; Tomasz - Szczecin PL
- Marczak; Tomasz - Roskilde DK
| Patent | Date |
|---|---|
| Differential microphone and method for driving a differential microphone Grant 9,693,135 - Haas-Christensen , et al. June 27, 2 | 2017-06-27 |
| Differential Microphone and Method for Driving a Differential Microphone App 20150016635 - Haas-Christensen; Jelena Citakovic ; et al. | 2015-01-15 |
| Preamplifier for two terminal electret condenser microphones Grant 6,888,408 - Furst , et al. May 3, 2 | 2005-05-03 |
| Preamplifier for two terminal electret condenser microphones App 20040085137 - Furst, Claus Erdmann ; et al. | 2004-05-06 |
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