4. Typewriting machines
  5. Including interposed inking device for record-medium
  6. Endless ribbon or cartridge therefor

Ward L. Karns

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Inked ribbon cartridge

Typewriting machines – Including interposed inking device for record-medium – Endless ribbon or cartridge therefor
Patent

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Inked ribbon cartridge

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

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Linear vertical adjustment mechanism

Recorders – Electric recording – Electrochemical
Patent

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Modular high speed printing system

Printing – Selective or progressive – Duplicating machines
Patent

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Profile ID: LFUS-PAI-P-322465

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