CH68728A
(en )
1915-04-16
Insulator for overhead lines in electric railways
CH68394A
(en )
1915-03-16
Insulator for electric lines
CH71621A
(en )
1916-02-01
Electric cable-shaped conductor for overhead lines
ES57393A1
(en )
1914-03-16
Improvements in overhead conductors of electric railways.
CH66634A
(en )
1914-09-16
Line pole for electric railways
CH77161A
(en )
1918-03-16
Insulator for electric lines
CH72339A
(en )
1916-05-01
Catenary switch for three-phase railways
CH60680A
(en )
1913-08-01
Retensioning device on overhead lines for electric railways
CH70034A
(en )
1915-12-16
Electric cable-shaped conductor for cable purposes
FR470526A
(en )
1914-09-15
Insulator for overhead power lines
CH76741A
(en )
1918-04-01
Insulator for high voltage overhead lines
CH80482A
(en )
1919-04-16
Insulator for high voltage overhead lines
CH68243A
(en )
1915-02-16
Multiple fuse for electrical power lines
CH68891A
(en )
1915-05-01
Locking switch for electric power lines
CH44305A
(en )
1909-08-02
Line insulator for contact lines of electrical railways
CH62954A
(en )
1914-01-02
Electrical bushing insulator
CH67326A
(en )
1914-12-01
Electric transformer for dental purposes
CH69060A
(en )
1915-05-17
Bushing insulator for high voltage
CH69105A
(en )
1915-05-17
Wire suspension device for electrical overhead lines
CH73140A
(en )
1916-08-16
Bushing insulator for high voltage lines
CH67318A
(en )
1914-12-01
Bushing insulator
CH68117A
(en )
1915-02-16
Contact wire insulator with support bolts for the wire
CH70968A
(en )
1915-11-16
Starter for electric motors
CH69717A
(en )
1915-07-16
Multiple suspension of the catenary for electric railways
CH68883A
(en )
1915-05-01
Terminal for electrical lines