4. Communications, electrical: acoustic wave systems and devices
  5. Signal transducers
  6. Receivers

John C. Heine

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Sound masking system

Electrical audio signal processing systems and devices – Sound or noise masking
Reexamination Certificate

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Systems and methods for adaptive noise cancellation

Electrical audio signal processing systems and devices – Acoustical noise or sound cancellation
Reexamination Certificate

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Systems and methods for adaptive wind noise rejection

Communications – electrical: acoustic wave systems and devices – Signal transducers – Receivers
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Profile ID: LFUS-PAI-P-2895123

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