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Braille printer

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

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Braille printing apparatus

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

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Braille printing apparatus

Typewriting machines – Foreign language or braille typewriter – Braille
Patent

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Braille printing apparatus

Typewriting machines – Foreign language or braille typewriter – Braille
Patent

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Braille printing plate

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

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Braille printing solenoid housing

Typewriting machines – Foreign language or braille typewriter – Braille
Patent

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Braking control system for thermal printhead

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

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Breakaway leafspring actuated keyswitch apparatus

Typewriting machines – Key-board or key lever-actuating mechanism – Including means generating a signal for type selecting or...
Patent

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Broadcast printing system and method

Typewriting machines – Including selection of type-face by...
Reexamination Certificate

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Buckling one way clutch

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

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Burning damage protecting apparatus and method for a printing he

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

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Business courtesy envelopes

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

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Business machine inking device and method of inking business mac

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

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Business machine printing ribbon spool apparatus and method of i

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

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Button apparatus with a complex elastic unit

Typewriting machines – Key-board or key lever-actuating mechanism – Key-cap or key-stem structure
Reexamination Certificate

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