4. Spring devices
  5. Vehicle
  6. Comprising compressible fluid

Toshifumi Yamamoto

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Acoustic apparatus

Electrical audio signal processing systems and devices – Monitoring/measuring of audio devices – Testing of hearing aids
Reexamination Certificate

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Acoustic apparatus and method of controlling an acoustic...

Electrical audio signal processing systems and devices – Hearing aids – electrical – Specified casing or housing
Reexamination Certificate

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Acoustic correction apparatus and acoustic correction method

Electrical audio signal processing systems and devices – Noise or distortion suppression
Reexamination Certificate

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Apparatus for rectifying resonance in the outer-ear canals...

Electrical audio signal processing systems and devices – Acoustical noise or sound cancellation – Adjacent ear
Reexamination Certificate

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Communication terminal device

Telephonic communications – Supervisory or control line signaling – Substation originated
Patent

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Profile ID: LFUS-PAI-P-16539

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