4. Typewriting machines
  5. Including interposed inking device for record-medium
  6. Endless ribbon or cartridge therefor

Yasuo Oba

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Filtering apparatus for correcting variation of CR-product

Miscellaneous active electrical nonlinear devices – circuits – and – Specific identifiable device – circuit – or system – Unwanted signal suppression
Reexamination Certificate

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High-frequency signal receiver

Pulse or digital communications – Receivers – Automatic gain control
Reexamination Certificate

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PLL circuit

Oscillators – Automatic frequency stabilization using a phase or frequency... – Plural a.f.s. for a single oscillator
Reexamination Certificate

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Receiving apparatus

Television – Receiver circuitry – Demodulator
Reexamination Certificate

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Semiconductor circuit for wireless receiving provided with...

Telecommunications – Receiver or analog modulated signal frequency converter – With particular receiver circuit
Reexamination Certificate

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Profile ID: LFUS-PAI-P-188851

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