US1524269A
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Instruction roll for player pianos
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US1504552A
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Advertising device
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US1391107A
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Player-piano
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US1288759A
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Advertising device.
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US1486186A
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Key-slip and fall-roard construction for player planos
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US1243460A
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Portable planing-machine.
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US1349273A
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Piano-player action
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US1192891A
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Player-piano pedal.
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US1274535A
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Player-piano mechanism.
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US1276314A
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Tempo-lever mechanism for automatic playing-pianos.
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US1159374A
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Pneumatically-operated piano.
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US1150861A
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Automatically-operated piano.
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US1078673A
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Automatically-operated piano.
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US991718A
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Pneumatic piano-action.
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US998171A
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Pneumatic for automatic player-pianos.
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US972182A
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Pedal mechanism for pneumatically-operated pianos.
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US929301A
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Tracker-board mechanism for pneumatically-operated pianos.
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US903285A
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Clamping mechanism for pneumatically-operated pianos.
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US936447A
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Pedal mechanism.
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US913378A
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Automatic playing-piano.
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