4. Winding, tensioning, or guiding
  5. Coil holder or support
  6. Spool or core

Richard Crooks

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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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Profile ID: LFUS-PAI-P-2850089

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