FR691462A
(en )
1930-10-22
Method of securing strings of harpsichords and similar musical instruments
FR673375A
(en )
1930-01-14
Method and instruments for producing musical sounds
FR710231A
(en )
1931-08-20
Chord key of stringed musical instruments
FR717085A
(en )
1931-12-31
Improvement in musical instruments and in particular banjos
SU11231A1
(en )
1929-09-30
A device for amplifying the sounds of bass and treble separately in string-keyboard musical instruments
FR649167A
(en )
1928-12-19
Improvements to banjos and other stringed instruments
FR641672A
(en )
1928-08-08
Improvements to octave keys for saxophones and similar instruments
FR659978A
(en )
1929-07-05
Improvements to pianos and other stringed instruments
FR41842E
(en )
1933-04-21
Improvements in musical instruments and in particular banjos
FR736779A
(en )
1932-11-28
Improvements to violins, guitars, mandolins and other stringed instruments
FR701418A
(en )
1931-03-16
New soundboard to increase the tonal performance of upright, grand and other pianos
FR648630A
(en )
1928-12-12
Improvements to the soundboards of stringed instruments
AU671927A
(en )
1928-04-17
Improvements in and relating to violins and like stringed musical instruments
FR735226A
(en )
1932-11-04
Keyboard attached applicable to all kinds of portable or non-portable stringed instruments
FR711500A
(en )
1931-09-10
Musical instrument allowing to play on a keyboard, the direct play of several violins and cellos
FR691672A
(en )
1930-10-24
Improvement in pianos and similar musical instruments
FR811498A
(en )
1937-04-15
Method of manufacturing musical instruments such as accordions and the like
FR590886A
(en )
1925-06-24
Device for attaching harmonic strings to the tension pegs of violins, cellos and other stringed instruments
FR648045A
(en )
1928-12-04
Improvements to the keys for high notes of saxophones and similar instruments
FR1080094A
(en )
1954-12-06
Tailpiece to improve the sound qualities of stringed instruments
FR802799A
(en )
1936-09-15
Bowed string and keyboard musical instrument
FR528572A
(en )
1921-11-15
A method of manufacturing soundboards and bridges for increasing the tone and equalizing the sounds of stringed instruments
FR625629A
(en )
1927-08-16
Improvements in the means of tensioning the strings of musical instruments
FR625628A
(en )
1927-08-16
Improvements in the means of tensioning the strings of musical instruments
FR577638A
(en )
1924-09-08
Method of setting up stringed instruments