4. Telephonic communications
  5. Including aid for handicapped user

James J. Trainor

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Apparatus for mitigating the effects of ambient magnetic fields

Electric lamp and discharge devices: systems – Cathode ray tube circuits – Pulse storing
Patent

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High-frequency optoelectric front-end

Radiant energy – Photocells; circuits and apparatus – Photocell controlled circuit
Patent

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Refractive index profiling technique

Optics: measuring and testing – For optical fiber or waveguide inspection
Patent

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Telecommunications relay service method and apparatus

Telephonic communications – Including aid for handicapped user
Patent

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Profile ID: LFUS-PAI-P-335541

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