4. Typewriting machines
  5. Including interposed inking device for record-medium
  6. Ribbon-feeding mechanism

Hans Paffhausen

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Carbon film

Stock material or miscellaneous articles – Structurally defined web or sheet – Discontinuous or differential coating – impregnation or bond
Patent

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Ink ribbon having elastomeric protective backing

Typewriting machines – Including interposed inking device for record-medium – Ribbon – per se
Patent

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Multistrike ribbon

Typewriting machines – Including interposed inking device for record-medium – Ribbon – per se
Patent

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Multiuse pressure-type reproduction material

Stock material or miscellaneous articles – Web or sheet containing structurally defined element or... – Including a second component containing structurally defined...
Patent

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Overlappingly overstrikeable ribbon and use thereof in continuou

Typewriting machines – Including interposed inking device for record-medium – Ribbon – per se
Patent

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Profile ID: LFUS-PAI-P-331906

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