CH75062A
(en )
1917-05-16
Instrument for measuring internal or external linear dimensions of a body
FR485471A
(en )
1918-01-15
Improvements to instruments for measuring internal or external diameters
FR450997A
(en )
1913-04-08
Instrument for measuring and checking the dimensions of bodies
CH61732A
(en )
1913-10-16
Instrument for measuring lengths
FR454892A
(en )
1913-07-17
Advanced instrument for measuring the azimuth of celestial bodies
FR462014A
(en )
1914-01-17
Ball valve for electricity meters, measuring instruments and other similar instruments
FR462250A
(en )
1914-01-22
Improvements to differential measuring instruments
FR446969A
(en )
1912-12-19
Optical instruments for oculists
FR399419A
(en )
1909-06-28
Measuring instrument characterized by the use of precision balls
FI3931A
(en )
1910-01-13
Measuring and drawing instrument "Nopsa"
FR16984E
(en )
1913-05-26
Leg extender for unequal lengths
FR452569A
(en )
1913-05-19
Instrument enhancements for hand care
FR467257A
(en )
1914-06-08
Measuring instrument for the hardness and dosage of roentgen rays
FR426776A
(en )
1911-07-18
Devices for experiments and precision measurements
FR489385A
(en )
1919-01-27
Transformation of a uniform or varied rectilinear motion into a uniform circular motion mainly applicable to measuring instruments
FR443061A
(en )
1912-09-16
Deflector or device for measuring the guiding force of a compass
FR444157A
(en )
1912-10-11
Box for measuring instruments
CA142064A
(en )
1912-07-30
Land measuring instrument
CH56391A
(en )
1912-11-01
Instrument for slope measurement
CH58084A
(en )
1913-02-17
Device for measuring the movements of body joints
FR476768A
(en )
1915-08-31
Improvements in distance measurement by the use of sound waves
CH63164A
(en )
1914-02-02
Carpenter's mark
FR432082A
(en )
1911-11-28
Leg extender for unequal lengths
FR459530A
(en )
1913-11-07
Illuminating body for illuminating projectiles
FI6502A
(en )
1916-11-02
Precision pipette "Exact"