CH38544A
(en )
1907-11-15
Device for disinfecting telephone speakers
CH33249A
(en )
1905-11-15
Device for hanging an object on a mast
CH38543A
(en )
1907-11-15
Device for fixing the telephone call
CH34250A
(en )
1906-03-31
Device for fixing bell handles
CH42926A
(en )
1909-03-16
Adjustable guide and quick clamping device on workbench tongs
CH33251A
(en )
1905-11-15
Device for clamping workpieces
CH34244A
(en )
1906-03-31
Device for drawing circular arcs without compasses
CH37379A
(en )
1907-05-31
Device for bending tubes
CH29901A
(en )
1904-10-15
Device for counting the speaking time on telephones
CH46141A
(en )
1910-02-01
Device for holding a sheet
AT23108B
(en )
1906-02-26
Device for holding images of various sizes on a support.
CH41435A
(en )
1908-10-16
Device on spring holders for teaching the correct guidance of the same
CH37156A
(en )
1907-04-30
Device for holding coupling parts apart
CH43807A
(en )
1909-06-16
Device for clamping boards on tables
CH40480A
(en )
1908-07-16
Device for producing tones on string instruments
CH33096A
(en )
1905-10-31
Acetylene gas apparatus
CH35513A
(en )
1906-08-31
Telephone ear tube holder
AT25861B
(en )
1906-09-25
Device for mechanically ringing church bells.
FR368090A
(en )
1906-11-16
Microphone carbon holder
CH31753A
(en )
1905-05-15
Holding device for drawing models
CH49342A
(en )
1911-02-01
Device for disinfecting telephone funnels
CH45146A
(en )
1909-10-16
Device for drawing dotted lines
CH35626A
(en )
1906-09-15
Equipment holder
CH34761A
(en )
1906-05-31
Device for filling inkwells
FR369762A
(en )
1907-01-19
Device for acoustic machines