4. Typewriting machines
  5. For line-spacing by incremental rotation of platen
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Adjustable media advancement mechanism

Typewriting machines – For line-spacing by incremental rotation of platen – By electric-power drive
Patent

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Advancing device in electrically driven typewriters and similar

Typewriting machines – For line-spacing by incremental rotation of platen – For multi-incremental rotation
Patent

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Apparatus and method for minimizing printer scan error

Typewriting machines – For line-spacing by incremental rotation of platen – By electric-power drive
Patent

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Apparatus for advancing a record medium

Typewriting machines – For line-spacing by incremental rotation of platen – By irregular increments of platen rotation
Patent

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Apparatus for feeding recording paper forwardly and backwardly

Typewriting machines – For line-spacing by incremental rotation of platen – For line-spacing in forward or reverse direction
Patent

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Apparatus having a roller for driving a record carrier and havin

Typewriting machines – For line-spacing by incremental rotation of platen – By gear train
Patent

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