CH57046A
(en )
1912-12-16
Method and device for the production of nitrogen oxides in electric flame arcs
CH71393A
(en )
1916-01-03
Method and device for interrupting electric arcs
CH59410A
(en )
1913-05-02
Process for the production of nitrogen oxides
CH53635A
(en )
1912-03-16
Method and device for the production of detonating tapes in one operation
CH72679A
(en )
1916-06-16
Dowels for fixing insulating pipes, switches, boxes and other electrical apparatus
CH74735A
(en )
1917-09-17
Washing method and equipment for carrying out the same
CH59001A
(en )
1913-04-16
Method and device for the production of artificial railways
AT88447B
(en )
1922-05-10
Process for the production of electrical insulating materials and the like.
CH54274A
(en )
1912-05-17
Method and device for the production of mica sheets
CH57594A
(en )
1913-01-16
Method and device for the production of reliefs
CH58212A
(en )
1913-03-01
Oven and method of making the same
CH47701A
(en )
1910-08-01
Insulating panel and method of making the same
CH74234A
(en )
1917-02-01
Process and device for the production of embossed imitations
CH53490A
(en )
1912-03-01
Method and device for the production of insulating pipes
CH72805A
(en )
1916-07-01
Firelighter and method of making the same
AT52292B
(en )
1912-02-26
Process for the revitalization of carbonaceous and similar decolorizing agents.
CH66501A
(en )
1914-09-16
Method and device for carrying out electroosmotic processes
CH68991A
(en )
1915-05-17
Process and apparatus for the production of black lead
CH72051A
(en )
1916-03-16
Process for the electrical cleaning of gases by means of high voltage currents
CH55875A
(en )
1912-09-16
Method and device for the production of fire-proof and weather-resistant buildings
CH52839A
(en )
1912-01-02
Folding plate and method of making the same
CH62084A
(en )
1913-11-01
Method and device for making macadam
CH53772A
(en )
1912-04-01
Method and device for the production of nitrogen oxides from nitrogen-oxygen mixtures
CH59359A
(en )
1913-05-02
Method and device for the production of glass vessels
CH45395A
(en )
1909-11-16
Method for preventing the atomization of metal filaments in electric light bulbs