|
US1609713A
|
|
Sheet controlled or operated musical instrument
|
|
US1730847A
|
|
Pneumatic musical instrument
|
|
US1552398A
|
|
Sheet-stopping mechanism for automatic musical instruments
|
|
US1428501A
|
|
Pneumatically-operated musical instrument
|
|
US1531553A
|
|
Pneumatic action for pneumatic musical instruments
|
|
US1451980A
|
|
Pneumatic action
|
|
US1468361A
|
|
Pneumatic action
|
|
US1449992A
|
|
Pneumatic action
|
|
US1359456A
|
|
Pneumatic action
|
|
US1423505A
|
|
Pneumatic action for player pianos and the like
|
|
US1500095A
|
|
Drum
|
|
US1403357A
|
|
Musical instrument
|
|
US1372657A
|
|
Sheet-controlling mechanism
|
|
US1429905A
|
|
Sheet-controlling mechanism
|
|
US1179827A
|
|
Sheet-controlling mechanism.
|
|
US1253030A
|
|
Pneumatic action for player-pianos and the like.
|
|
US1164088A
|
|
Valve-seat for pneumatic apparatus.
|
|
US1250104A
|
|
Pneumatic regulator.
|
|
US1287585A
|
|
Sound-reproducing or talking machine.
|
