DK51095C
(en )
1935-12-30
Electric incandescent lamp with a base fused to the neck of the container.
FR800793A
(en )
1936-07-18
Electric lamps
DK51627C
(en )
1936-05-11
Electric Bulb with Gaseous Filling.
DK54768C
(en )
1938-05-23
Tubular Electric Incandescent Lamp with Gaseous Filling.
IE12013L
(en )
1933-02-11
Electric lamp bulbs
DK53614C
(en )
1937-09-20
Electric incandescent lamp with two incandescent wires.
CA10067S
(en )
1933-08-17
Glass bottle with cap
DK55736C
(en )
1939-01-23
Incandescent lamp with several incandescent wires.
CA352456A
(en )
1935-08-20
Gaseous conduction lamp
DK55198C
(en )
1938-09-12
Electric Dwarf Bulb with Glass Bead Foot.
ES126764A1
(en )
1932-06-16
Incandescent electric lamp.
CA337754A
(en )
1933-12-12
Electric lamp cap
DK57561C
(en )
1940-05-06
Electric Incandescent Lamp with Fuse.
DK57962C
(en )
1940-09-09
Electric Incandescent lamp with nitrogen-containing Gaseous filling.
IE13418L
(en )
1935-03-15
Electric lamp bulbs
IE13858L
(en )
1935-07-23
Electric incandescent lamps
CA9786S
(en )
1932-10-19
Electrical fixture
DK52577C
(en )
1937-01-18
Electric Bulb with resilient Base.
ES130793A1
(en )
1933-07-16
Improvements in the manufacture of incandescent electric lamps.
DK56346C
(en )
1939-06-26
Electric Incandescent lamp with partially reflective Container.
DK60255C
(en )
1942-10-19
Electric Incandescent lamp with partially mirrored Container for surface lighting.
IE13627L
(en )
1935-04-03
Electric incandescent lamps
IE14471L
(en )
1936-07-07
Electric incandescent lamps
IE14557L
(en )
1937-06-11
Electric incandescent lamps
IE12230L
(en )
1932-12-18
Lighting arrangement