4. Electricity: circuit makers and breakers
  5. Solid contact
  6. Push button operated

Bruce L. Graham

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Ear receiver

Electrical audio signal processing systems and devices – Electro-acoustic audio transducer – Plural or compound reproducers
Patent

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Electrical switch component and switches formed thereby

Electricity: circuit makers and breakers – Snap – Double snap
Patent

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Harmonic conversion wheel

Music – Accessories – Teaching devices
Patent

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Miniature two-level pushbutton switch

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

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Mounting post for holding a lighted electrical pushbutton switch

Illumination – Supports
Patent

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Profile ID: LFUS-PAI-P-62169

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