DK12551C
(en)
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Procedure for the manufacture of metal wire hangers for electric incandescent lamps.
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DK10837C
(en)
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Procedure for the manufacture of tungsten wire for electric incandescent lamps.
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DK9371C
(en)
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Procedure for the manufacture of metal filament for electric filament lamps.
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DK12198C
(en)
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Procedure for preventing the fusing of metal wires in electric filament lamps.
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DK12604C
(en)
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Device for metal wire incandescent lamps.
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DK14373C
(en)
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Electric metal wire incandescent lamp with resilient suspension of the metal wires.
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DK10559C
(en)
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Electric Incandescent Lamp with Supported Metal Incandescent Wire.
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DK14320C
(en)
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Procedure for the manufacture of electric incandescent lamps.
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FR14105E
(en)
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Support for the metal filaments of incandescent electric lamps
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CH47604A
(en)
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Metal filament lamp
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DK9048C
(en)
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Procedure for the manufacture of filament lamps for electric filament lamps.
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ES44811A1
(en)
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A procedure for the Manufacture of metallic filaments for electric incandescent lamps.
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ES45890A1
(en)
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A procedure for the manufacture of incandescent metallic filaments for electric lamps.
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DK13087C
(en)
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Metal wire lamps.
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FR422443A
(en)
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Improvements in the electrical installations of incandescent lamps connected in series
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FR393888A
(en)
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Metal filaments for electric incandescent lamps
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ES45967A1
(en)
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Volfran metal fabrication process for volfran filament electric incandescent lamps.
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DK30293C
(en)
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Procedure for the manufacture of metal wires for electric filament lamps and other purposes.
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ES37685A1
(en)
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A procedure for the manufacture of wires for electric incandescent lamps.
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DK11231C
(en)
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Procedure for the manufacture of filament light for electric filament lamps.
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DK10733C
(en)
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Procedure for Making Wires for Incandescent Lamps.
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ES47886A1
(en)
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An improved process for the manufacture of electric incandescent lamps.
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DK12666C
(en)
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Electric Lighting Fixture.
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ES39005A1
(en)
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A procedure consisting of metallic incandescent wires for electric incandescent lamps.
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DK9282C
(en)
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Procedure for the manufacture of filament light for electric filament lamps.
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