4. Electrical audio signal processing systems and devices
  5. Acoustical noise or sound cancellation
  6. Adjacent ear

William H. Greenhalgh

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Computerized diagnostic reasoning evaluation system

Education and demonstration – Computer logic – operation – or programming instruction
Patent

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System for suppressing sound from a flame

Electrical audio signal processing systems and devices – Acoustical noise or sound cancellation – Adjacent ear
Patent

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Profile ID: LFUS-PAI-P-310392

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