|
US1085650A
|
|
Panel-operating device.
|
|
US1015029A
|
|
Panel-operating device.
|
|
US1047598A
|
|
Paper-winding mechanism for musical instruments.
|
|
US945884A
|
|
Valve for pneumatically-controlled musical instruments.
|
|
US945886A
|
|
Controlling-lever and fall-board for automatic musical instruments.
|
|
US945888A
|
|
Expression mechanism for pianos.
|
|
US943802A
|
|
Paper-winding mechanism for musical instrument.
|
|
US945887A
|
|
Automatic musical instrument.
|
|
US945996A
|
|
Tracker-board for automatic musical instruments.
|
|
US945883A
|
|
Automatic musical instrument.
|
|
US1032844A
|
|
Tone-softening device for musical instruments.
|
|
US945882A
|
|
Pedal mechanism for musical instruments.
|
|
US971866A
|
|
Metallic take-up spool.
|
|
US1091175A
|
|
Panel-operating mechanism for musical-instrument cases.
|
|
US1059094A
|
|
Combination-piano.
|
|
US1045226A
|
|
Pneumatic action for single-system musical instruments.
|
|
US962685A
|
|
Music-spool.
|
|
US1063898A
|
|
Pneumatically-controlled music-playing device.
|
|
US957590A
|
|
Automatic player for musical instruments.
|
|
US1034048A
|
|
Automatic modulating mechanism for musical instruments.
|
