AT46651B
(en )
1911-02-25
Process for the manufacture of tubes.
CH45392A
(en )
1909-11-16
Process for the production of incandescent bodies for gas incandescent light
CH52472A
(en )
1911-11-16
Process for the production of filament lamps
AT25226B
(en )
1906-08-10
Process for the production of gas incandescent light stumps.
CH44730A
(en )
1909-09-01
Process for the regeneration of blackened carbon filament light bulbs
CH41966A
(en )
1908-12-16
Process for the production of carbon-free incandescent lamp filaments
CH70971A
(en )
1915-11-16
Process for the production of incandescent bodies for hanging incandescent light
CH59749A
(en )
1913-06-02
Process for manufacturing incandescent mantles
CH65431A
(en )
1914-06-16
Process for the production of filament lamps
CH58518A
(en )
1913-03-17
Process for the production of filament lamp wires
CH42245A
(en )
1909-01-16
Process for manufacturing incandescent mantles
CH42403A
(en )
1909-02-01
Process for manufacturing incandescent mantles
CH66000A
(en )
1914-08-01
Process for the production of incandescent bodies
CH50097A
(en )
1911-04-17
Process for the production of alloys
CH80466A
(en )
1919-03-01
Process for the manufacture of tungsten incandescent lamps
CH49431A
(en )
1911-02-01
Process for the production of asbestos filters
CH48045A
(en )
1910-09-01
Process for the production of hollow ceilings
CH53838A
(en )
1912-04-01
Process for the production of liquid luminous gas
CH48770A
(en )
1910-12-01
Process for the production of incandescent bodies from synthetic threads
AT41185B
(en )
1910-02-25
Process for the production of artificial marble.
CH50357A
(en )
1911-05-16
Process for the production of embroidery with air effects
CH48470A
(en )
1910-10-17
Process for the production of aluminum nitride
CH49730A
(en )
1911-03-16
Process for manufacturing components
CH54601A
(en )
1912-06-01
Process for manufacturing components
AT32814B
(en )
1908-05-11
Process for the production of metallic illuminants for electric light bulbs.