CH72784A
(en )
1916-07-01
Cantilever for single and multiple suspension of the contact wire of electric railways
CH58321A
(en )
1913-03-01
Suspension device for the contact wire of electric railways
CH69717A
(en )
1915-07-16
Multiple suspension of the catenary for electric railways
CA136881A
(en )
1911-11-21
Trolley wire hanger
CH59554A
(en )
1913-06-02
Chain contact wire suspension for electric railways
CH44461A
(en )
1909-08-16
Contact wire suspension for electric railways
CH61276A
(en )
1913-09-16
Switch boxes for electrical purposes
FR437938A
(en )
1912-05-03
Pantograph
CH74224A
(en )
1917-06-16
Wire electrode for electrolytic purposes
CH73976A
(en )
1916-12-16
Suspension device for contact wire insulators made of porcelain
CH46666A
(en )
1910-04-01
Insulated contact wire suspension
CH67514A
(en )
1914-12-16
Contact wire holder for electric railways
CH67315A
(en )
1914-12-01
Procedure for avoiding round fire at the collector of high voltage direct current machines for traction purposes
CA169526A
(en )
1916-05-16
Wire holder and insulator
CH43259A
(en )
1909-04-16
Contact wire multiple suspension for electrical railway operation
CA138235A
(en )
1912-01-30
Trolley harp
CA142713A
(en )
1912-09-10
Trolley harp
FR520019A
(en )
1921-06-18
Brooms for electric cranes and other similar devices
FR446028A
(en )
1912-11-25
Electric furnace-transformer
CA136398A
(en )
1911-10-24
Trolley pole
CA137507A
(en )
1911-12-26
Trolley pole
FR17547E
(en )
1913-10-02
Electric furnace-alternator
CH72877A
(en )
1916-07-17
Device for the suspension of electrical contact lines
CA137420A
(en )
1911-12-19
Trolley crossing
CH68117A
(en )
1915-02-16
Contact wire insulator with support bolts for the wire