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

Joe McArdle

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Lottery terminal

Recording – communication – or information retrieval equipment – Video or audio transmission – recording or playback equipment – Telephone equipment
Patent

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Multi-parameter variable scale rotary switch

Dynamic magnetic information storage or retrieval – Miscellaneous
Patent

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Optical disc storage library

Recording – communication – or information retrieval equipment – Video or audio transmission – recording or playback equipment – Telephone equipment
Patent

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Variable scale rotary switch

Dynamic magnetic information storage or retrieval – Miscellaneous
Patent

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Profile ID: LFUS-PAI-P-723355

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