LandOfFree - US Patents - Listing for Typewriting machines

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Typewriter key action

Typewriting machines – Having rotated power drive intermittently applied for... – For repeat-type action

Patent

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Typewriter keyboard

Typewriting machines – Key-board or key lever-actuating mechanism – Key-board arranged according to character location

Patent

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Typewriter keyboard layout

Typewriting machines – Key-board or key lever-actuating mechanism

Patent

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Typewriter label dispensing device

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

Patent

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Typewriter lid actuated printing element homing and carrier repo

Typewriting machines – Including type-set-assemblage mounted on carrier and... – Including type-faces movable relative to type-face-carrier

Patent

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Typewriter misprint correction method

Typewriting machines – Means auxiliary to typewriting function – Means for correcting typing errors

Patent

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Typewriter operating attachment providing for dead key operation

Typewriting machines – Including control of format and selection of type-face by... – Including baseplate attachment with electromagnets for input...

Patent

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Typewriter or printer ribbon and method for its manufacture

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

Patent

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Typewriter or similar machine

Typewriting machines – Having power-driven operator for plural functions – Usable selectively

Patent

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Typewriter or similar machine

Typewriting machines – Having power-driven operator for plural functions

Patent

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Typewriter platen clutch mechanism

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

Patent

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Typewriter ribbon cartridge

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

Patent

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Typewriter ribbon cartridge

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

Patent

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Typewriter ribbon cartridge actuating device for portable typewr

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

Patent

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Typewriter ribbon cassettes with multiple typing tracks

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

Patent

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Typewriter ribbon feed device

Typewriting machines – Including interposed inking device for record-medium – Ribbon-feeding mechanism

Patent

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Typewriter ribbon feed mechanism

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

Patent

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Typewriter ribbon including a correction strip

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

Patent

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Typewriter ribbon lifting and transporting device

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

Patent

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Typewriter selection drive follower block and shuttle assembly

Typewriting machines – Including type-set-assemblage mounted on carrier and... – Imprint by pivoting of type-head-carrier and type-head...

Patent

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