4. Electrical transmission or interconnection systems
  5. Nonlinear reactor systems
  6. Parametrons

Arupratan Gupta

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Remotely operable telephone answering device and method of...

Telephonic communications – Audio message storage – retrieval – or synthesis – Dynamic audio signal recording or reproduction
Reexamination Certificate

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Telephone having convenience feature data transfer capability

Telephonic communications – Telephone line or system combined with diverse electrical... – Having transmission of a digital message signal over a...
Reexamination Certificate

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TTL compatible CMOS input buffer having a predetermined threshol

Electrical transmission or interconnection systems – Nonlinear reactor systems – Parametrons
Patent

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Profile ID: LFUS-PAI-P-1520185

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