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Pitch-changeable, cam-actuated paper feed for serial printer

Typewriting machines – Sheet or web – For feeding web record-medium
Patent

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Pivotable character display for a typewriter

Typewriting machines – Displaying typewriter-formed representation of print-line
Patent

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Pivotable ink ribbon cassette and a printer

Typewriting machines – Including interposed inking device for record-medium – Including mechanism for shifting ribbon laterally at...
Patent

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Pivotable keyboard arrangement

Typewriting machines – Including plural – independently supported key-boards,...
Patent

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Pivotable support enabling paper insertion in a recording appara

Typewriting machines – Typing by other than type-face or type-die – Thermal
Patent

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Pivotally mounted guide means in endless ribbon cassettes

Typewriting machines – Including interposed inking device for record-medium – Endless ribbon or cartridge therefor
Patent

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Pivoting platen for use in printing device

Typewriting machines – Platen or platen-moving mechanism – For movement of platen other than for line-spacing
Patent

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Pivoting roller for skewless document feed

Typewriting machines – Sheet or web – Including friction-feed means
Patent

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Pixel preheat system for an automated thermal transfer device

Typewriting machines – Typing by other than type-face or type-die – Thermal
Patent

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Pixel splitting to improve bar code readability

Typewriting machines – Code-printing typewriter
Patent

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Placing printing elements and mark sensor at proper...

Typewriting machines – Sheet or web – For feeding web record-medium
Reexamination Certificate

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Plastic platen for typewriters or similar office equipment

Typewriting machines – Platen or platen-moving mechanism – Cylindrical platen
Patent

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Platen

Typewriting machines – Platen or platen-moving mechanism – Cylindrical platen
Reexamination Certificate

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Platen adjusting mechanism

Typewriting machines – Including adjustment for optimum printing plane – Responsive to thickness of record-medium
Patent

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Platen and paper drive in an inked-platen wire-dot impact printe

Typewriting machines – Having power-driven operator for plural functions
Patent

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Platen and printer

Typewriting machines – Platen or platen-moving mechanism – Bar platen
Patent

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Platen assembly

Typewriting machines – Platen or platen-moving mechanism – Cylindrical platen
Patent

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Platen clutch mechanism

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

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Platen controlled sheetfeed permitting back-up for erasure

Typewriting machines – Sheet or web – For feeding sheet from stack or pack holder
Patent

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Platen drive device

Typewriting machines – For line-spacing by incremental rotation of platen – By pawl and ratchet wheel drive
Patent

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