CH78474A
(en )
1918-08-01
Electrical collector and method for its manufacture
CH73723A
(en )
1916-11-16
Electrical insulating sleeve and method for its manufacture
FR508726A
(en )
1920-10-21
Electric heating body and method for its manufacture
FR487887A
(en )
1918-08-02
Electric accumulator and method for manufacturing it
CH65016A
(en )
1914-06-01
Electric capacitor and method for its manufacture
CH77114A
(en )
1918-03-01
Cigar and process for its manufacture
FR496345A
(en )
1919-11-04
Aerial torpedo and method for its manufacture
CH75246A
(en )
1917-07-02
Aerial torpedo and method for its manufacture
FR481272A
(en )
1916-11-16
Electric welding process
FR481534A
(en )
1916-12-13
Improved method and means for performing the electrical junction of the ends of the rails
FR521737A
(en )
1921-07-19
Electric furnace manufacturing process
CH70112A
(en )
1915-08-15
Fuel paste and process for its manufacture
FR485685A
(en )
1918-01-29
Posts for electrical installations
FR444437A
(en )
1912-10-17
Electric tele-photography process
FR491141A
(en )
1919-05-22
Process for the extraction of zinc in an electric furnace
FR485346A
(en )
1917-12-28
Electric welding process
FR492788A
(en )
1919-07-18
Ball cage and method for its manufacture
CH49680A
(en )
1911-03-16
Electrical conductor and method for its manufacture
FR478770A
(en )
1916-01-07
Process for the production and condensation of fly metals, more especially zinc, in the electric furnace
FR580728A
(en )
1924-11-14
Solid electrical insulation and process for its manufacture
CH79074A
(en )
1919-02-01
Dial and process for its manufacture
FR437504A
(en )
1912-04-23
Method for manufacturing azides in an electric oven
FI6037A
(en )
1915-04-08
Method of manufacturing small transformers
FR460526A
(en )
1913-12-04
Electric furnace annealing process
FR495389A
(en )
1919-10-07
Electrical integration method