4. Brakes
  5. Operators
  6. Spring

Stephen N. Sanderson

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Insertable musical keyboard device with moving inserts to...

Music – Instruments – General features
Reexamination Certificate

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Insertable piano/keyboard strip for sensing key movement

Music – Instruments – General features
Reexamination Certificate

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Low profile keyboard device and system for recording and scoring

Music – Instruments
Patent

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Low profile keyboard device and system for recording and scoring

Music – Accessories – Recording devices
Patent

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Rotatable stem and lock

Brakes – Operators – Spring
Patent

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Profile ID: LFUS-PAI-P-635885

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