LandOfFree - US Patents - Listing for Typewriting machines

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Printer paper spooler with error condition detector

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

Reexamination Certificate

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Printer paper status indicator

Typewriting machines – Means auxiliary to typewriting function – Indicator means

Patent

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Printer paper thickness detector

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

Patent

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Printer pin control circuitry

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

Patent

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Printer platen

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

Patent

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Printer platen

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

Patent

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Printer platen assembly for a handheld printer

Typewriting machines – Platen or platen-moving mechanism

Patent

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Printer platen motor controller

Typewriting machines – Safety switch or condition-responsive-cutoff switch for...

Patent

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Printer power supply

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

Patent

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Printer provided with a margin setting mechanism

Typewriting machines – Carriage or carriage-moving or movement-regulating mechanism – Margin-regulator mechanism

Patent

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Printer provided with paper winder

Typewriting machines – Means auxiliary to typewriting function – Frame – casing – or support for typewriter

Reexamination Certificate

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Printer providing a freely accessible printer frame

Typewriting machines – Means auxiliary to typewriting function – Frame – casing – or support for typewriter

Patent

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Printer read after print correlation method and apparatus

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

Reexamination Certificate

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Printer ribbon and film used for preparation thereof

Typewriting machines – Including interposed inking device for record-medium – Ribbon – per se

Patent

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Printer ribbon cartridge

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

Patent

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Printer ribbon cartridge having lap spliced ribbon and reinking

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

Patent

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Printer ribbon cartridge mounting assembly

Typewriting machines – Including interposed inking device for record-medium – Package for ribbon facilitating mounting of ribbon on...

Patent

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Printer ribbon cartridge with flexible ribbon guides and integra

Typewriting machines – Including interposed inking device for record-medium – Means auxiliary to ribbon mechanism

Patent

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Printer ribbon cartridge with means for transversely displacing

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

Patent

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Printer ribbon cartridge with re-inking reservoir and pump

Typewriting machines – Including interposed inking device for record-medium – Renovation of used ribbon

Patent

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