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DK4379C
(en)
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Lighting system with Use of Incandescent lamps for low Voltage.
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DK4015C
(en)
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Lighting system with Nernst lamps.
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DK4029C
(en)
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Device for Fastening Incandescent lamps.
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DK3727C
(en)
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Procedure for the manufacture of filaments for electric lamps.
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DK3150C
(en)
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Lamp base for electric lamps with light body of conductors of second order.
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CH23879A
(en)
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Incandescent fixture
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DK2626C
(en)
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Procedure for the manufacture of filament lamps for electric filament lamps.
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ES23997A1
(en)
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Improvements made to the filaments of incandescent lamps.
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DK2843C
(en)
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Electric Lamp with Light Body of Second Order Conductors.
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DK3792C
(en)
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Incandescent reflector.
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DK3431C
(en)
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Regenerative- Gas incandescent lamp.
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ES24698A1
(en)
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Improvements made to incandescent electric lamps.
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CH24604A
(en)
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Lighting fixtures for effect lighting
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DK5950C
(en)
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Bulb lamp.
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ES30886A1
(en)
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An improvement in the construction of incandescent lamps.
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DK2162C
(en)
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Burner for Incandescent lamps.
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AT10875B
(en)
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Incandescent lamp holder with threaded basket for high voltages.
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CH21500A
(en)
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Incandescent reflector
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DK4780C
(en)
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Device for the manufacture of clean arc lights between fixed conductors.
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DK5446C
(en)
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Gas incandescent lamp.
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DK3850C
(en)
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Petroleum light bulb.
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DK5625C
(en)
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Insert pieces for fuses and incandescent lamps to prevent the replacement of the plugs.
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DK4376C
(en)
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Burner for spirit incandescent lamps without wicks.
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ES32759A1
(en)
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Improvements introduced in incandescent lamps for gas.
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CH23233A
(en)
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Gas incandescent lamp
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