4. Equipment for production, distribution, or transformation of ene
  5. Distribution, modification or control
  6. Switch or casing therefor

David E. Bachschmid

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Dual-gang switch plate with voice recorder

Electricity: circuit makers and breakers – Solid contact – Both contacts are moved
Patent

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Light switch cover plate with audio recording and playback...

Dynamic magnetic information storage or retrieval – Recording or reproducing for automatic announcing
Reexamination Certificate

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Message recording and playback device

Recording – communication – or information retrieval equipment – Video or audio transmission – recording or playback equipment – Recorder
Design Patent

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Miniature momentary contact sliding switch

Electricity: circuit makers and breakers – Multiple circuit control – Operating means
Reexamination Certificate

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Miniature momentary contact sliding switch

Electricity: circuit makers and breakers – Solid contact – Reciprocating actuator
Patent

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Profile ID: LFUS-PAI-P-501967

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