|
DK4029C
(en)
|
|
Device for Fastening Incandescent lamps.
|
|
DK5663C
(en)
|
|
Base for Incandescent lamps.
|
|
DK3857C
(en)
|
|
Annular filament for multiphase Nern lamps.
|
|
DK3792C
(en)
|
|
Incandescent reflector.
|
|
DK6006C
(en)
|
|
Device for Adjusting Arc Lamps.
|
|
DK4254C
(en)
|
|
Device by Lamps.
|
|
DK4843C
(en)
|
|
Holder for Incandescent lamps.
|
|
DK4137C
(en)
|
|
Device for self-igniters for gas incandescent lamps.
|
|
DK5980C
(en)
|
|
Device for Launching an Arc Lamp by the Circuit.
|
|
DK4015C
(en)
|
|
Lighting system with Nernst lamps.
|
|
DK5765C
(en)
|
|
Burner for Lamps.
|
|
DK3727C
(en)
|
|
Procedure for the manufacture of filaments for electric lamps.
|
|
CH23879A
(en)
|
|
Incandescent fixture
|
|
DK3638C
(en)
|
|
Spring base for electric incandescent lamps.
|
|
DK4017C
(en)
|
|
Devices for Blinds for Indicator lamps.
|
|
DK3942C
(en)
|
|
Soldering Procedure for Aluminum Articles.
|
|
DK5950C
(en)
|
|
Bulb lamp.
|
|
DK3895C
(en)
|
|
Procedure for Manufacturing Lithotype Types.
|
|
DK3850C
(en)
|
|
Petroleum light bulb.
|
|
DK4379C
(en)
|
|
Lighting system with Use of Incandescent lamps for low Voltage.
|
|
DK5446C
(en)
|
|
Gas incandescent lamp.
|
|
DK4935C
(en)
|
|
Gas incandescent lamp.
|
|
DK5113C
(en)
|
|
Gas incandescent lamp.
|
|
ES32084A1
(en)
|
|
Gas lamp improvements.
|
|
DK4376C
(en)
|
|
Burner for spirit incandescent lamps without wicks.
|