4. Typewriting machines
  5. Typing by other than type-face or type-die
  6. Character formation by impact

William A. Grubbs

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Compact shuttle printer mechanism

Typewriting machines – Typing by other than type-face or type-die – Character formation by impact
Patent

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Shuttle printer and drive mechanism

Typewriting machines – Carriage or carriage-moving or movement-regulating mechanism – Carriage-feed mechanism
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Profile ID: LFUS-PAI-P-1558488

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