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Hybrid wind instrument selectively producing acoustic tones...

Music – Instruments – Electrical musical tone generation
Reexamination Certificate

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Hybrid wind musical instrument and electric system for the same

Music – Instruments – Electrical musical tone generation
Reexamination Certificate

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Hybrid wind musical instrument and electric system...

Music – Instruments – Electrical musical tone generation
Reexamination Certificate

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Hydraulic drum tension/tuning system

Music – Instruments – Drums
Patent

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Hydraulic pedal mechanism for pianos

Music – Instruments – Stringed
Patent

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Hydrophobic polymer string treatment

Music – Instruments – Stringed
Reexamination Certificate

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Hysteresis waveshaping

Music – Instruments – Electrical musical tone generation
Reexamination Certificate

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