4. Recording, communication, or information retrieval equipment
  5. Video or audio transmission, recording or playback equipment
  6. Radio transceiver

Mark A. Grasso

Inventor

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Headphone

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

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Means for affixing an ornamental sculpture to a sound emitting d

Electrical audio signal processing systems and devices – Electro-acoustic audio transducer – Plural or compound reproducers
Patent

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Portable audio baby monitor receiver

Measuring – testing – or signalling instruments – Security or signal instrument or casing – Alarm or control thereof
Patent

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Portable cassette player

Recording – communication – or information retrieval equipment – Video or audio transmission – recording or playback equipment – Magnetic recorder or player
Patent

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Portable radio

Recording – communication – or information retrieval equipment – Video or audio transmission – recording or playback equipment – Radio receiver – tuner or amplifier – or housing therefor
Patent

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Profile ID: LFUS-PAI-P-609258

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