4. Typewriting machines
  5. Including interposed inking device for record-medium
  6. Including mechanism for shifting ribbon laterally at...

Charles S. Aldrich

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Laser printer with light-exposure prevention

Recorders – Printing – dotting – or punching marker – Ink transfer support or moving means
Patent

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Proportional vertical and horizontal ribbon tracking for impact

Typewriting machines – Including interposed inking device for record-medium – Including mechanism for shifting ribbon laterally at...
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Ribbon lift and feed mechanism for a typewriter

Typewriting machines – Including interposed inking device for record-medium – Package for ribbon facilitating mounting of ribbon on...
Patent

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Tape perforator

Selective cutting (e.g. – punching) – With specific means to select a single tool – By immobilizing a portion of an element in tool drive train
Patent

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Toner metering apparatus

Photocopying – Contact printing – Light boxes
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Profile ID: LFUS-PAI-P-614829

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