CH59749A
(en )
1913-06-02
Process for manufacturing incandescent mantles
CH58518A
(en )
1913-03-17
Process for the production of filament lamp wires
CH80466A
(en )
1919-03-01
Process for the manufacture of tungsten incandescent lamps
CH52472A
(en )
1911-11-16
Process for the production of filament lamps
CH65431A
(en )
1914-06-16
Process for the production of filament lamps
CH66000A
(en )
1914-08-01
Process for the production of incandescent bodies
CH42245A
(en )
1909-01-16
Process for manufacturing incandescent mantles
CH42403A
(en )
1909-02-01
Process for manufacturing incandescent mantles
CH68153A
(en )
1915-02-16
Process for the production of fuel
CH65639A
(en )
1914-07-01
Process for making sacks
CH70971A
(en )
1915-11-16
Process for the production of incandescent bodies for hanging incandescent light
CH57546A
(en )
1913-01-16
Process for the production of size
CH74792A
(en )
1917-04-16
Process for the production of tungsten wires
CH68831A
(en )
1915-04-16
Process for the production of borofluorotassium
CH55389A
(en )
1912-08-16
Process for the production of cartridge cases
CH48516A
(en )
1910-11-01
Process for the production of gas incandescent light bulbs
AT75516B
(en )
1919-02-25
Process for the manufacture of base enamels.
CH72174A
(en )
1916-04-17
Process for the production of enamels
CH55514A
(en )
1912-08-16
Process for the production of vitreous bodies
CH78372A
(en )
1918-07-16
Process for the manufacture of stamps
CH74900A
(en )
1917-05-01
Process for the manufacture of pneumatic jackets
CH54601A
(en )
1912-06-01
Process for manufacturing components
CH49730A
(en )
1911-03-16
Process for manufacturing components
CH59410A
(en )
1913-05-02
Process for the production of nitrogen oxides
CH72628A
(en )
1916-06-16
Process for the production of antimonies