4. Electricity: circuit makers and breakers
  5. Multiple circuit control
  6. Multiple switch

William R. Bradam

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Auxiliary keyboard apparatus

Registers – Keyboards – Auxiliary
Patent

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Membrane keyboard apparatus with tactile feedback

Electricity: circuit makers and breakers – Multiple circuit control – Multiple switch
Patent

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Paper guide and stop for multi-function printer

Typewriting machines – Sheet or web – For feeding plural record media concurrently or selectively
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Profile ID: LFUS-PAI-P-1254257

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