CH70919A
(en )
1915-11-01
Device on Ferrari meters to improve the error curve
CH68847A
(en )
1915-04-16
Precision measuring device
CH68680A
(en )
1915-09-01
Mouchen measuring device for targets
CH72284A
(en )
1916-05-01
Device for estimating the distance from flying machines
CH67686A
(en )
1915-01-02
Device for activating the alarm bell on vehicles that can be driven by hand
CH74452A
(en )
1917-02-16
Device to induce movement through temperature changes
CH69011A
(en )
1915-05-01
Device on guns for testing the horizontal wheelbase
CH59198A
(en )
1913-05-02
Device for fine reading on devices with graduations
CH69199A
(en )
1915-06-01
Device for adjusting the counting wheels on calculating machines
DK25866C
(en )
1920-04-19
Measurement set for Measuring Angles.
DK20664C
(en )
1915-10-18
Drive system for Ferrari meters.
DK18551C
(en )
1914-03-09
Measuring device for Milk.
CH77556A
(en )
1918-05-01
Device for illustrating the elementary arithmetic operations
CH69672A
(en )
1915-07-16
Device on electromagnetic membrane couplings
CH66763A
(en )
1914-10-01
Three-wire meter
DK19348C
(en )
1914-10-12
Registering Air Analysis Apparatus.
CH70639A
(en )
1915-10-16
Device on typewriters
CH71553A
(en )
1916-01-17
Device on typewriters
CH78815A
(en )
1919-02-01
Angle measure with graduation
DK23313C
(en )
1918-07-29
Measuring device.
CH61084A
(en )
1913-09-01
Device for correcting impotentia coeundi
CH72889A
(en )
1916-12-01
Device for monitoring due dates
FR504493A
(en )
1920-07-06
Flow meter or indicator
CH73598A
(en )
1916-11-01
Device for moving the slide on calculating machines
DK21172C
(en )
1916-04-17
Device for pendulum scales with straps.