4. Typewriting machines
  5. Foreign language or braille typewriter
  6. Braille

Kenneth L. Roy

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Braille printing solenoid housing

Typewriting machines – Foreign language or braille typewriter – Braille
Patent

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Print wire solenoid

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

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Print wire solenoid

Electricity: magnetically operated switches – magnets – and electr – Magnets and electromagnets – With magneto-mechanical motive device
Patent

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Print wire solenoid

Electricity: magnetically operated switches – magnets – and electr – Magnets and electromagnets – With magneto-mechanical motive device
Patent

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Tubular solenoid

Electricity: magnetically operated switches – magnets – and electr – Magnets and electromagnets – With magneto-mechanical motive device
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Profile ID: LFUS-PAI-P-394986

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