US1677509A
|
|
Electric switch
|
US1214865A
|
|
Pneumatic action for musical instruments.
|
US1218150A
|
|
Pneumatic action for self-playing musical instruments.
|
CA151024A
|
|
Vacuum cleaner and carpet sweeper
|
US1078397A
|
|
Pneumatic cleaning-machine.
|
CA108510A
|
|
Musical instrument
|
US861418A
|
|
Apparatus for making pneumatic diaphragms.
|
US901273A
|
|
Pneumatic action for musical instruments.
|
US1002353A
|
|
Musical instrument.
|
US767673A
|
|
Inclosing case for automatic music-rolls.
|
US1057474A
|
|
Pneumatic action for musical instruments.
|
US769424A
|
|
Valve for pneumatic-actions for musical instruments.
|
US767672A
|
|
Pneumatic action for musical instruments.
|
US766312A
|
|
Folding pedal for pianolas.
|
US634601A
|
|
Automatic musical instrument.
|
US638615A
|
|
Automatic musical instrument.
|
US646046A
|
|
Reed or pipe organ.
|
CA257795A
|
|
Vacuum cleaning machine
|