CH76483A
(en )
1918-02-02
Impedance device for alternating current electrical distribution installations
FR464026A
(en )
1914-03-11
Connection sleeve for electrical conductors
CH74485A
(en )
1917-03-01
Power limiting device for alternating current circuits
FR499019A
(en )
1920-01-29
Protection device for electrical installations
CH74277A
(en )
1917-06-16
Protection device for electrical installations
FR517831A
(en )
1921-05-12
Ampere-square-hours (ampere-square-hour-meter) meter for direct current and alternating current installations
FR476335A
(en )
1915-07-27
Multiple conductor feedthrough insulator for electrical installations and devices
FR14887E
(en )
1912-03-02
Alternating current meter
FR431569A
(en )
1911-11-14
Alternating current meter
FR485685A
(en )
1918-01-29
Posts for electrical installations
CH70040A
(en )
1916-01-03
Protection device for electrical installations
FR473108A
(en )
1914-12-31
Connection device for electrical insulators
CH79247A
(en )
1918-10-16
Armature for single conductor cables for alternating currents
FR511253A
(en )
1920-12-21
Distribution for electrical signaling installations
FR461134A
(en )
1913-12-20
Winding device for electrical conductors
CH74676A
(en )
1917-04-02
Protective device for electrical devices
CH55974A
(en )
1912-10-01
Induction meter for alternating current
FR513325A
(en )
1921-02-12
Insulator for electrical conduits
FR440056A
(en )
1912-07-01
Insulator for electrical conductors
FR470462A
(en )
1914-09-12
Safety device for electrical installations
FR424941A
(en )
1911-05-27
Disconnected conductor device for electric trench traction
FR438455A
(en )
1912-05-18
Connection device for electrical pipes
ES57507A1
(en )
1914-06-01
A safety device for suspended lines for the transmission of high voltage electric currents.
FR451338A
(en )
1913-04-16
Connection device for electrical insulators
FR425116A
(en )
1911-06-02
Safety device for conductors used for electric traction