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Draining structure for a keyboard

Typewriting machines – Key-board or key lever-actuating mechanism – Key lever or space-bar mounting structure
Reexamination Certificate

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Drive apparatus for a printer mechanism

Typewriting machines – Sheet or web – For feeding plural record media concurrently or selectively
Patent

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Drive arrangement for a ribbon cassette

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

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Drive belt system arranged for reducing arcing

Typewriting machines – Sheet or web – Including friction-feed means
Reexamination Certificate

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Drive circuit for a matrix printer

Typewriting machines – Including type-set-assemblage mounted on carrier and... – Imprint by movement of record-medium against type-face
Patent

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Drive circuit for printing head

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

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Drive circuit for thermal printer

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

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Drive coil protection apparatus and method and printer incorpora

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

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Drive controlling method for carriage and computer readable...

Typewriting machines – Including control of format by programmed-control-system
Reexamination Certificate

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Drive coupling for ribbon mechanism in typewriters and similar m

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

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Drive device for a thermal transfer printer

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

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Drive element for platens of typewriters or similar office machi

Typewriting machines – Carriage or carriage-moving or movement-regulating mechanism – Carriage-return mechanism
Patent

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Drive for friction rolls in printers

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

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Drive for thermal printing lift-off correction

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

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Drive for transporting and reversing an ink ribbon, and for with

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

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Drive force transmission mechanism

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

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Drive mechanism for a miniature printer

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

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Drive mechanism for a reciprocating printer carriage

Typewriting machines – Carriage or carriage-moving or movement-regulating mechanism – Carriage-feed mechanism
Patent

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Drive mechanism for a ribbon disc

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

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Drive mechanism for a small-sized printer

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

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