CH69661A
(en )
1915-07-16
Electrical system with multiple tariff meter
CH69362A
(en )
1915-06-16
Multiple tariff electricity meter
FR476317A
(en )
1915-07-27
Electric meter
CH70784A
(en )
1915-11-01
Electricity meter for alternating current with built-in auxiliary devices
CH68240A
(en )
1915-02-16
Electrical contact device
CH69902A
(en )
1915-10-01
Contact device for electric radiators
CH69567A
(en )
1915-07-01
System for alternating electrical multiple telegraphy
ES55116A1
(en )
1913-05-16
Improvements in flat coil electric meters.
CH68243A
(en )
1915-02-16
Multiple fuse for electrical power lines
CH68396A
(en )
1915-03-16
Micafolium in roll form for electrical use
FR482345A
(en )
1917-03-13
New electric meter
CH61770A
(en )
1913-10-16
Electric power distribution system
CH57569A
(en )
1913-01-16
Circuit for tariff electricity meter with two counters
CH58825A
(en )
1913-04-01
Circuit for tariff electricity meter with two counters
CH70718A
(en )
1915-10-16
Circuit for tariff electricity meter with two counters
CH74500A
(en )
1917-03-01
Circuit for tariff electricity meter with two counters
CH66763A
(en )
1914-10-01
Three-wire meter
CH75619A
(en )
1917-09-01
Circuit for tariff electricity meters with two counters
CH69412A
(en )
1915-06-16
Electric alarm device
CH66634A
(en )
1914-09-16
Line pole for electric railways
ES49728A3
(en )
1911-03-01
Improvements in alternative current electric meters.
CH73033A
(en )
1916-08-01
Power limiters for electrical systems
CH69393A
(en )
1915-06-16
Collector for electrical machines
CH70169A
(en )
1915-09-01
Electricity meter
CH69794A
(en )
1915-07-16
Measuring device for direct current