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DK19128C
(en)
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Filament stand for electric incandescent lamps.
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DK28628C
(en)
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Socket for Incandescent lamps.
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DK18955C
(en)
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Suspension device for the filament in down-burning gas incandescent lamps.
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DK19111C
(en)
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Device by Incandescent lamps.
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ES58888A1
(en)
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An incandescent filament for lamps or electric lights.
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ES58161A3
(en)
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Improvements in electric incandescent lamps.
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AT73140B
(en)
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Incandescent socket.
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AT82888B
(en)
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Incandescent socket.
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FR478276A
(en)
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Portable support foot, for incandescent electric lamps
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ES59062A1
(en)
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An incandescent electric lamp filled with gas.
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ES55068A3
(en)
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Improvements in electric incandescent lamps.
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DK17329C
(en)
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Wire stand for electric light bulbs.
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GB191109806A
(en)
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Improved Reflectors for Incandescent Electric Lamps.
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CA177228A
(en)
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Filament support for incandescent lamps
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ES57865A3
(en)
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A procedure for the manufacture of electric incandescent lamps.
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AT74068B
(en)
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Electric light bulb with gas filling.
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ES55761A3
(en)
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An electric incandescent lamp.
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DK18381C
(en)
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Frosted electric light bulb.
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ES56520A1
(en)
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Metallic filament electric lamp.
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ES48993A1
(en)
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Improvements in metallic filament incandescent electric lamps.
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ES61809A1
(en)
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Improvements in electric incandescent lamps.
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ES57488A1
(en)
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An electric incandescent lamp whose filaments form letters or numbers.
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ES57686A2
(en)
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An electric incandescent lamp whose filaments form letters or numbers.
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CA162761A
(en)
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Electric lamp filament
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ES51833A1
(en)
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Improvements in the procedures to prepare metallic filaments for incandescent lamps.
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