AT32814B
(en )
1908-05-11
Process for the production of metallic illuminants for electric light bulbs.
AT46651B
(en )
1911-02-25
Process for the manufacture of tubes.
AT32452B
(en )
1908-04-10
Process for the manufacture of filaments for electric light.
CH43541A
(en )
1909-05-17
Process for the production of metal-containing filaments for electric incandescent lamps
AT32028B
(en )
1908-02-25
Process for the production of incandescent bodies.
CH41966A
(en )
1908-12-16
Process for the production of carbon-free incandescent lamp filaments
CH36561A
(en )
1907-01-31
Device for the production of thin metallic coatings on carbon threads for electric light bulbs
CH42245A
(en )
1909-01-16
Process for manufacturing incandescent mantles
CH42403A
(en )
1909-02-01
Process for manufacturing incandescent mantles
CH50097A
(en )
1911-04-17
Process for the production of alloys
CH54601A
(en )
1912-06-01
Process for manufacturing components
CH49730A
(en )
1911-03-16
Process for manufacturing components
CH49278A
(en )
1911-01-16
Process for the production of dense, metallic layers
CH52110A
(en )
1911-11-01
Process for the production of hydrogen cyanide
CH51422A
(en )
1911-09-01
Process for the production of over-spun buttons
AT26305B
(en )
1906-11-10
Process for the production of self-regenerating carbon filaments for electric light bulbs.
CH48516A
(en )
1910-11-01
Process for the production of gas incandescent light bulbs
CH36562A
(en )
1907-01-31
Raw filament for electric light bulbs
AT32016B
(en )
1908-02-25
Process for the manufacture of headgear.
CH59749A
(en )
1913-06-02
Process for manufacturing incandescent mantles
CH62523A
(en )
1913-12-01
Process for the production of refractory, electrically conductive moldings
AT46741B
(en )
1911-02-25
Process for the production of lace.
CH66000A
(en )
1914-08-01
Process for the production of incandescent bodies
CH46247A
(en )
1910-02-16
Process for the production of filaments from tungsten metal for incandescent lamps
CH45392A
(en )
1909-11-16
Process for the production of incandescent bodies for gas incandescent light