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

Stephen Hildebrand

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Active acoustic transmission loss box

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

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Global quieting system for stationary induction apparatus

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

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Helicopter vibration control system and rotary force...

Fluid reaction surfaces (i.e. – impellers) – Method of operation
Reexamination Certificate

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Low voltage bender piezo-actuators

Electrical generator or motor structure – Non-dynamoelectric – Piezoelectric elements and devices
Patent

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Profile ID: LFUS-PAI-P-776374

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