CH70203A
(en )
1915-09-01
Method and device for the manufacture of flexible electrical cables
CH71393A
(en )
1916-01-03
Method and device for interrupting electric arcs
CH68557A
(en )
1915-04-01
Method and device for the production of moment X-rays
CH74735A
(en )
1917-09-17
Washing method and equipment for carrying out the same
CH69187A
(en )
1915-06-01
Etching process and equipment for performing the same
CH81372A
(en )
1919-06-02
Method and device for the simultaneous use of different types of electrical current
CH53490A
(en )
1912-03-01
Method and device for the production of insulating pipes
CH59284A
(en )
1913-05-02
Device for the electrical transmission of images
CH68893A
(en )
1915-05-01
Electric gas lamp and method of making the same
CH60819A
(en )
1913-08-16
Device for the electrical heating of metallic objects
CH62084A
(en )
1913-11-01
Method and device for making macadam
CH65625A
(en )
1914-07-01
Method and device for manufacturing electric incandescent lamps
AT88447B
(en )
1922-05-10
Process for the production of electrical insulating materials and the like.
CH78760A
(en )
1918-12-16
Electric radiator and method of making the same
CH54274A
(en )
1912-05-17
Method and device for the production of mica sheets
CH58754A
(en )
1913-04-01
Procedure for regulating electrical power stations
CH76254A
(en )
1917-11-16
Method of attaching fittings, supports, clips and the like to porcelain insulators
CH63112A
(en )
1914-01-02
Method and device for the production of rennet liquid
CH78640A
(en )
1918-08-16
Electric heating element and method of making the same
CH61734A
(en )
1913-10-16
Device for determining the value of electrical resistances
CH64169A
(en )
1914-03-16
Fish tape and method of making the same
CH59001A
(en )
1913-04-16
Method and device for the production of artificial railways
CH75814A
(en )
1917-09-17
Mast and method of making the same
CH69247A
(en )
1915-06-16
Device for the electrical remote transmission of movements
CH66696A
(en )
1914-10-01
Elastic fabric and method of making the same