CH21307A
(en )
1901-06-30
Sheet music for mechanical musical works
CH21118A
(en )
1901-05-31
Helical sheet music for mechanical musical works
CH18452A
(en )
1899-12-31
Sheet music for mechanical musical works
CH18621A
(en )
1900-02-15
Sheet music for mechanical musical works
CH21792A
(en )
1901-09-30
Soundboard for sound bodies
CH21873A
(en )
1901-10-15
Marking device for the tongues of mechanical musical works
CH22274A
(en )
1901-12-31
Music notation sheet
CH21305A
(en )
1901-06-30
Mechanical musical mechanism
CH22105A
(en )
1901-11-30
Mechanical musical mechanism
CH24008A
(en )
1902-10-31
Sound mutes for pianos
DK3722C
(en )
1901-02-18
Sheet music holder for mechanical musical instruments.
CH23107A
(en )
1902-05-31
Repeater mechanism for pianos
CH39058A
(en )
1908-01-16
Sheet music for mechanical musical works
CH10746A
(en )
1896-02-15
Sheet music for mechanical musical works
CH20542A
(en )
1901-02-28
Music instrument
CH12966A
(en )
1897-04-15
Mutes for mechanical musical works
CH25651A
(en )
1903-06-15
Mechanical musical instrument
CH13890A
(en )
1897-09-15
Regulator for mechanical musical works
CH16293A
(en )
1898-10-31
Marking device for mechanical musical works with perforated sheet music
CH21115A
(en )
1901-05-31
Advanced music box
CH15743A
(en )
1898-07-31
New pneumatics for organs
CH21424A
(en )
1901-07-15
Structures for ceiling structures
FR332133A
(en )
1903-10-16
Rehearsal mechanics for pianos
CH31923A
(en )
1905-05-31
Auxiliary sheet music holder for upright keyboard instruments
CH18924A
(en )
1900-04-15
Mechanical musical mechanism