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US1567773A
|
|
Lyre and pedal mechanism for grand pianos
|
|
US1536374A
|
|
Valve mechanism for expression-controlling devices of musical instruments
|
|
US1682877A
|
|
Adjustable player attachment for pianos
|
|
US1682651A
|
|
Player piano
|
|
US1452491A
|
|
Automatic musical instrument
|
|
US1198996A
|
|
Pneumatic motor.
|
|
US1246865A
|
|
Music-sheet-guiding device.
|
|
US1129067A
|
|
Pedals for musical instruments.
|
|
US1103480A
|
|
Folding pedals for pneumatic musical instruments.
|
|
US1100215A
|
|
Pedal and panel operating mechanism for musical instruments.
|
|
US1109319A
|
|
Musical instrument.
|
|
US1179274A
|
|
Musical instrument.
|
|
CA141158A
|
|
Musical instrument
|
|
US1011567A
|
|
Accenting device for music-players.
|
|
US1019127A
|
|
Piano.
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