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Action for electronic piano

Music – Instruments – General features
Patent

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Action for keyboard-based musical instrument

Music – Instruments – General features
Reexamination Certificate

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Action mechanism for a keyboard of an electronic piano

Music – Instruments – General features
Patent

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Adjustable keyboard apparatus and method

Music – Instruments – General features
Reexamination Certificate

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Antibacterial keyboard

Music – Instruments – General features
Reexamination Certificate

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Antibacterial keyboard

Music – Instruments – General features
Patent

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Apparatus and method for actuating keyboard mechanisms and...

Music – Instruments – General features
Reexamination Certificate

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Apparatus and methods for modifying piano keyboards

Music – Instruments – General features
Patent

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Apparatus for musical scale selection and key signature actuatio

Music – Instruments – General features
Patent

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Arm and key bed assembly for a piano and the like

Music – Instruments – General features
Patent

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Arrangement for chromatic and diatonic keys for carillon keyboar

Music – Instruments – General features
Patent

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Auxiliary snap-on key extenders for musical keyboards

Music – Instruments – General features
Patent

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