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

Jens Duerr

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Geared drive hub

Printing and office machinery – Printing equipment – Element or attachment
Design Patent

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Geared drive hub assembly for a printer cartridge

Typewriting machines – Including interposed inking device for record-medium – Ribbon-feeding mechanism
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2631163

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