US2801563A
|
|
Outside player for electrical musical instrument
|
GB747873A
|
|
Coupler for electrical musical instruments
|
US2761344A
|
|
Combined musical instrument
|
US2710556A
|
|
Expression control
|
US2707896A
|
|
Keyboard
|
US2666822A
|
|
Stop switch
|
US2679781A
|
|
Combined fallboard and stop mounting
|
US2714145A
|
|
Under keyboard switch
|
GB723120A
|
|
Equipment for playing sustained tones from the keyboard of a piano
|
US2625070A
|
|
Pedal keyboard
|
US2573895A
|
|
Electric switch
|
US2630503A
|
|
Electric switch
|
US2649007A
|
|
Musical instrument
|
US2562673A
|
|
Mounting for switch assemblies
|
US2557034A
|
|
Key switch mounting
|
US2545665A
|
|
Musical instrument
|
US2562670A
|
|
Musical instrument
|
US2510608A
|
|
Rheostat switch
|
US2513415A
|
|
Rheostat switch
|
US2533821A
|
|
Electrical musical instrument
|