AT98613B
(en )
1924-11-25
Circuit device for measuring currents, voltages and resistances.
FR614032A
(en )
1926-12-04
Fluid current meter
AT98609B
(en )
1924-11-25
Needle galvanometer for measuring electrical currents.
AT104318B
(en )
1926-10-11
Device for measuring high resistances.
AT94096B
(en )
1923-08-25
Device for measuring weak currents.
AT131952B
(en )
1933-02-25
Measuring instrument for measuring line currents without interrupting the line circuit.
AT104989B
(en )
1926-12-10
Electrical measuring bridge.
FR558817A
(en )
1923-09-03
Microtome
CH102052A
(en )
1923-11-01
Device for writing characters.
CH108943A
(en )
1925-04-16
Line pointer device on typewriters.
FR559260A
(en )
1923-09-12
General advertising vulgarisatice letter card
AT107087B
(en )
1927-08-25
Throttle device and control for liquids.
FR587513A
(en )
1925-04-20
Automatically variable resistance conductor system
ES81405A1
(en )
1922-08-16
Essence dispenser-measuring device and other liquids.
ES92445A1
(en )
1925-05-16
An overload indicator device in electrical lines or circuits.
AT96074B
(en )
1924-02-25
Electrical resistance material.
ES100157A1
(en )
1927-03-01
Improvements in electrical resistances.
FR550411A
(en )
1923-03-09
Letter card
ES81685A1
(en )
1922-10-01
Refinements in compasses.
FR551384A
(en )
1923-04-04
Dump Truck Device
CH101001A
(en )
1923-09-01
Electrical resistance welding and heating device.
AT104567B
(en )
1926-11-10
Measuring device with exchangeable graduation.
CH109406A
(en )
1925-03-16
Circuit device for actuating block mirror fields.
FR553771A
(en )
1923-05-30
Lift bridge device
FR591537A
(en )
1925-07-06
Control or measurement device for alternating currents