4. Electrical audio signal processing systems and devices
  5. Sound effects

D. Michael Shields

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Loudspeaker system

Recording – communication – or information retrieval equipment – Video or audio transmission – recording or playback equipment – Speaker or housing therefor
Design Patent

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Method for dynamically adjusting the spectral content of an...

Electrical audio signal processing systems and devices – Sound effects
Reexamination Certificate

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Methods and systems for intelligibility measurement of audio...

Data processing: speech signal processing – linguistics – language – Speech signal processing – Application
Reexamination Certificate

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Spherically shaped loudspeaker

Recording – communication – or information retrieval equipment – Video or audio transmission – recording or playback equipment – Speaker or housing therefor
Design Patent

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Spherically shaped loudspeaker

Recording – communication – or information retrieval equipment – Video or audio transmission – recording or playback equipment – Speaker or housing therefor
Design Patent

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Profile ID: LFUS-PAI-P-2310931

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