DK9097C
(en )
1906-12-03
Procedure for the production of tungsten filaments or an alloy of tungsten and molybdenum for electric filament lamps.
DK9683C
(en )
1907-06-03
Procedure for the production of filaments, consisting of tungsten or molybdenum or alloys of these metals, for electric filament lamps.
DK10387C
(en )
1908-01-06
Procedure for the production of filaments, consisting of tungsten or molybdenum or alloys of these metals, for electric filament lamps.
DK9583C
(en )
1907-05-06
Procedure for the manufacture of electric filaments of tungsten or molybdenum.
DK9838C
(en )
1907-07-15
Procedure for the manufacture of electric filaments of tungsten or molybdenum.
DK8689C
(en )
1906-07-23
Electric Bulb with Molybdenum or Tungsten Bulb.
DK9371C
(en )
1907-03-04
Procedure for the manufacture of metal filament for electric filament lamps.
DK9048C
(en )
1906-11-19
Procedure for the manufacture of filament lamps for electric filament lamps.
ES37747A2
(en )
1906-03-16
An incandescent body with its corresponding manufacturing process, for electric incandescent lamps, made of tungsten or molybdenum, or of alloys of these two metals.
DK9336C
(en )
1907-02-25
Metal filament for electric incandescent lamps.
ES45967A1
(en )
1909-09-01
Volfran metal fabrication process for volfran filament electric incandescent lamps.
ES37506A1
(en )
1906-02-16
A process for the manufacture of tungsten or molybdenum wires or an alloy of these two metals for electric incandescent lamps.
DK10837C
(en )
1908-05-18
Procedure for the manufacture of tungsten wire for electric incandescent lamps.
ES38995A1
(en )
1906-09-16
A process for the manufacture of tungsten or molybdenum glow wires for electric incandescent lamps.
DK12198C
(en )
1909-06-07
Procedure for preventing the fusing of metal wires in electric filament lamps.
DK8612C
(en )
1906-07-02
Procedure for the manufacture of electric filaments of tungsten or molybdenum or of an alloy of these two metals.
FR380740A
(en )
1907-12-16
Process for the manufacture of filaments for electric incandescent lamps with poorly fusible metals such as wolfram, molybdenum, thorium, etc.
DK12551C
(en )
1909-09-27
Procedure for the manufacture of metal wire hangers for electric incandescent lamps.
ES36262A1
(en )
1905-07-16
An incandescent body with its corresponding manufacturing process, for electric incandescent lamps, made of tungsten or molybdenum, or of alloys of these two metals.
ES40459A1
(en )
1907-05-01
An improved process for the manufacture of filaments for incandescent lamps.
DK9604C
(en )
1907-05-13
Procedure for making tungsten or molybdenum filaments regularly thick.
ES40458A1
(en )
1907-05-01
An improved process for the manufacture of filaments for electric incandescent lamps.
DK8957C
(en )
1906-10-15
Procedure for the manufacture of filament light for electric filament lamps.
DK9282C
(en )
1907-02-04
Procedure for the manufacture of filament light for electric filament lamps.
ES41014A1
(en )
1907-07-16
Improvements in the supports of the metallic filaments for the incandescent electric lamps.