4. Electrical audio signal processing systems and devices
  5. Hearing aids, electrical
  6. Frequency transposition

Robert Brennan

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Anti-residue shampoo and liquid toiletry production method

Cleaning compositions for solid surfaces – auxiliary compositions – Cleaning compositions or processes of preparing – For cleaning a specific substrate or removing a specific...
Reexamination Certificate

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Apparatus for and method of filtering in an digital hearing...

Electrical audio signal processing systems and devices – Hearing aids – electrical – Programming interface circuitry
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Filterbank structure and method for filtering and separating...

Electrical audio signal processing systems and devices – Hearing aids – electrical – Frequency transposition
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Filterbank structure and method for filtering and separating...

Electrical audio signal processing systems and devices – Hearing aids – electrical – Frequency transposition
Reexamination Certificate

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Method and apparatus for feedback reduction in acoustic...

Electrical audio signal processing systems and devices – Hearing aids – electrical – Noise compensation circuit
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Profile ID: LFUS-PAI-P-2018840

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