4. Typewriting machines
  5. Including interposed inking device for record-medium
  6. Ribbon spool or mount therefor

John A. Pomfret

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Detectable spool and associated hub

Typewriting machines – Including interposed inking device for record-medium – Ribbon spool or mount therefor
Reexamination Certificate

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Hub and detectable spool

Winding – tensioning – or guiding – Coil holder or support – Spool or core
Reexamination Certificate

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Hub and detectable spool

Typewriting machines – Including interposed inking device for record-medium – Ribbon spool or mount therefor
Reexamination Certificate

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Inked ribbon core

Typewriting machines – Including interposed inking device for record-medium – Ribbon spool or mount therefor
Reexamination Certificate

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Inked ribbon core with ribs

Typewriting machines – Including interposed inking device for record-medium – Ribbon spool or mount therefor
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2708505

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