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

Lawrence A. Stone

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Band line printer with grooved platen

Printing – Selective or progressive – Bed and platen machines
Patent

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Band line printer with grooved platen

Printing – Selective or progressive – Bed and platen machines
Patent

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Dual lever paper gap adjustment mechanism

Typewriting machines – Including adjustment for optimum printing plane – Responsive to thickness of record-medium
Patent

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Fractionated keyboard

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

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Heat dissipation structure for electronic apparatus component

Electricity: electrical systems and devices – Housing or mounting assemblies with diverse electrical... – For electronic systems and devices
Reexamination Certificate

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Profile ID: LFUS-PAI-P-641776

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