4. Telephonic communications
  5. Supervisory or control line signaling
  6. Signal reception at substation

Hiroki Hasegawa

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Circuit arrangement for indicating electric field strength

Telecommunications – Receiver or analog modulated signal frequency converter – Local control of receiver operation
Patent

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Combustion apparatus

Combustion – Timer – programmer – retarder or condition responsive control – By condition of burner feed or feed means
Reexamination Certificate

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Combustion apparatus

Combustion – Process of combustion or burner operation – Controlling or proportioning feed
Reexamination Certificate

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Combustion apparatus

Combustion – Timer – programmer – retarder or condition responsive control
Reexamination Certificate

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Health care system

Surgery – Diagnostic testing
Reexamination Certificate

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Profile ID: LFUS-PAI-P-143722

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