CH34383A
(en )
1906-04-30
Apparatus for playing string instruments
CH33796A
(en )
1906-01-15
Apparatus for scrubbing gases
CH38694A
(en )
1907-11-30
Device for stretching the strings of musical instruments
CH61723A
(en )
1913-10-16
Apparatus for playing string instruments
DK9036C
(en )
1906-11-12
Apparatus for Stretching the Fingers for Facilitation of Piano Playing and the Like.
CH46332A
(en )
1910-02-16
Apparatus for evolving gases
CH35117A
(en )
1906-07-15
Apparatus for displaying speeds
CH34620A
(en )
1906-05-15
Instrument for describing curves
CH34480A
(en )
1906-04-30
Apparatus for chlorinating acetylene
CH34929A
(en )
1906-06-15
Apparatus for drying fabrics
DK6742C
(en )
1904-07-11
Apparatus for the Development of Piano Playing Finger Technique.
CH37758A
(en )
1907-07-31
Apparatus for sharpening crayons
CH44238A
(en )
1909-07-16
Device for plotting the strings of stringed instruments
CH29698A
(en )
1904-09-15
Carburizing apparatus
CH32997A
(en )
1905-10-15
Gymnastics apparatus
CH27847A
(en )
1904-03-15
Apparatus for cleaning used lubricating materials
CH36035A
(en )
1906-11-30
Apparatus for dehumidifying foodstuffs
CH27814A
(en )
1904-02-29
Trunar apparatus
CH34250A
(en )
1906-03-31
Device for fixing bell handles
CH34638A
(en )
1906-05-15
Apparatus for mixing gases
FR359544A
(en )
1906-03-29
Screen apparatus
FR6807E
(en )
1907-03-01
Screen apparatus
CH31185A
(en )
1905-03-15
Apparatus for showing pictures
FR338950A
(en )
1904-09-21
Automatic acetylene producing apparatus
CH29407A
(en )
1904-12-15
Apparatus for jerking off floors