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US1712638A
|
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Striking device for stringed musical instruments
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US1769760A
|
|
Delayed-action valve mechanism
|
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US1294845A
|
|
Perforating-machine.
|
|
US1294844A
|
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Prime controller for automatic or partly-automatic musical instruments.
|
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US1292131A
|
|
Automatic musical instrument.
|
|
US1282137A
|
|
Automatic musical instrument.
|
|
US1280578A
|
|
Machine for perforating note-sheets.
|
|
CA189153A
|
|
Player piano
|
|
US1400242A
|
|
Note-sheet-perforating machine
|
|
CA187508A
|
|
Piano mechanism
|
|
CA187507A
|
|
Piano mechanism
|
|
CA176592A
|
|
Support for electric motors
|
|
CA183370A
|
|
Musical instrument
|
|
CA183369A
|
|
Musical instrument
|
|
US1270985A
|
|
Note-sheet for player-pianos and the like.
|
|
US1262278A
|
|
Automatic musical instrument.
|
|
US1257043A
|
|
Perforated note-sheet for automatic musical instruments.
|
|
US1257042A
|
|
Note-sheet for automatic musical instruments.
|
|
US1367633A
|
|
Perforated music-sheet
|
|
US1095128A
|
|
Method of recording musical tones.
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