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

Robert Gehrke

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Audio amplifier faceplate

Recording – communication – or information retrieval equipment – Video or audio transmission – recording or playback equipment – Element or attachment
Design Patent

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Audio amplifier faceplate

Recording – communication – or information retrieval equipment – Video or audio transmission – recording or playback equipment – Element or attachment
Design Patent

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USB sound card

Recording – communication – or information retrieval equipment – Computer – data processor equipment – Element or attachment
Design Patent

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Profile ID: LFUS-PAI-P-2290596

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