CH70455A
(en )
1915-09-16
Device for actuating valve flaps on wind instruments
CH57833A
(en )
1913-02-01
Device for regulating water turbines
CH71059A
(en )
1916-04-17
Device on organs for regulating the crescendo and decrescendo by hand
CH65793A
(en )
1914-07-16
Device for beam guidance on free-jet turbines
CH56633A
(en )
1912-11-16
Device for the identification of graduation marks on clocks using self-luminous bodies
CA218825A
(en )
1922-05-23
Valve control device for musical wind instruments
CH74073A
(en )
1917-01-02
Device for issuing upright tickets
CH59977A
(en )
1913-06-16
Device for regulating two-steam turbines
CH72889A
(en )
1916-12-01
Device for monitoring due dates
CH70818A
(en )
1915-11-01
Device on carburettors for automatic control of the additional air
CH70919A
(en )
1915-11-01
Device on Ferrari meters to improve the error curve
CH56925A
(en )
1912-12-02
Device for the simultaneous control of several valves of combustion engines
CH59198A
(en )
1913-05-02
Device for fine reading on devices with graduations
CH71093A
(en )
1915-12-01
Closure on forceps and scissors-like instruments that spring open
CH57164A
(en )
1912-12-16
Device for the automatic issuing of tokens
CH77258A
(en )
1918-09-02
Auxiliary device on mandolins and guitars and similar string instruments for teaching correct arm posture
FR469231A
(en )
1914-07-27
Letter box
CH61255A
(en )
1913-09-16
Device for the remote actuation of regulating organs
DK20968C
(en )
1916-02-07
Silencer for Funnels in Musical Instruments.
CH71153A
(en )
1915-12-01
Stem on beehive
CH71427A
(en )
1916-08-01
Device for making plaster ceilings
CA214994A
(en )
1922-01-03
Fingering device for self-playing stringed instruments
CH75652A
(en )
1918-02-01
Device for making butter
CH74856A
(en )
1917-08-16
Instructions for fingering the strings on an instrument with fretboard frets
CH70639A
(en )
1915-10-16
Device on typewriters