CH48721A
(en )
1910-11-16
Keyboard for keyboard instruments (organs, pianos and the like)
GB190803665A
(en )
1908-07-02
An Improvement in the Construction of Musical, Stringed Instruments
CH47280A
(en )
1910-06-16
Improvement in musical instruments with sound horn
CH46853A
(en )
1910-04-16
Keyboard for keyboard instruments
ES46012A1
(en )
1909-09-16
Improvements in pianos, organs and other musical instruments like that.
GB191107214A
(en )
1912-02-15
Improvements Organs, Harmoniums and like Musical Instruments.
GB190922403A
(en )
1910-09-29
Improvements in Organs, Harmoniums and like Musical Instruments.
ES45575A1
(en )
1909-07-16
Improvements in acoustic instruments.
DK14383C
(en )
1911-03-20
Keyboard for Pianos, Organs and similar Musical Instruments.
GB190909967A
(en )
1909-06-10
Improvements in Stringed Musical Instruments.
GB191507608A
(en )
1915-11-18
An Improved Keyboard for Pianos, Organs and like Instruments.
FR405480A
(en )
1909-12-31
Improvements to pianos, organs and similar musical instruments
AT52427B
(en )
1912-02-26
Piano mechanics.
GB190914260A
(en )
1909-12-02
Improvements in Stringed Musical Instruments.
AT41001B
(en )
1910-02-25
Automatic playing device for keyboard instruments such as piano, organ and harmonium.
GB191028163A
(en )
1911-09-21
Bowing-device for Sounding Stringed Musical Instruments.
DK10791C
(en )
1908-05-04
Mechanical Keyboard Instrument.
AT37156B
(en )
1909-05-10
Transposition device for keyboard instruments.
DK7263C
(en )
1905-01-30
Keyboard for Musical Instruments.
FR411163A
(en )
1910-06-09
English keys
AU612906A
(en )
1907-10-22
Improvements in pianofortes, organs and like musical instruments
ES39146A1
(en )
1906-10-16
Improvements in pianos, organs and other musical instruments.
GB190908546A
(en )
1910-01-13
Ash-tray for Key-board Instruments.
GB190900215A
(en )
1909-07-15
Improvements in or relating to Musical Instruments.
CH43334A
(en )
1909-05-01
Stringed musical instrument