4. Communications: electrical
  5. Condition responsive indicating system
  6. Specific condition

David J. Marinelli

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Board removal detection circuit

Communications: electrical – Condition responsive indicating system – Specific condition
Patent

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Disconnect signalling detection arrangement

Telephonic communications – Supervisory or control line signaling – Using line or loop condition detection
Patent

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Speed, spin rate, and curve measuring device using magnetic fiel

Data processing: measuring – calibrating – or testing – Measurement system – Accelerometer
Patent

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Speed, spin rate, and curve measuring device using multiple sens

Data processing: measuring – calibrating – or testing – Measurement system – Accelerometer
Patent

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Voice and data interface to a voice-mail service system

Telephonic communications – Audio message storage – retrieval – or synthesis – Multilingual system or operation
Patent

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Profile ID: LFUS-PAI-P-59756

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