CH65017A
(en )
1914-05-16
Device for lighting lamps
AT63643B
(en )
1914-02-25
Device for lighting lamps.
CH65428A
(en )
1914-06-16
Contact device on elevators with lateral clearance intended for pulling up lamps
CH67973A
(en )
1915-02-01
Lighting apparatus
CH68249A
(en )
1915-03-01
Device for adjusting the socket on incandescent lamp fittings
CH69454A
(en )
1915-06-16
Acetylene lamp
DK18041C
(en )
1913-11-03
Lighting device.
CH64787A
(en )
1914-05-01
Device on vehicles for dimming the light of the vehicle lamps
ES55160A1
(en )
1913-05-16
Device for regulating and varying the flashing sparks.
DK18758C
(en )
1914-05-04
Device for lighting lamps.
CH71398A
(en )
1916-01-03
Circuit for changing the light intensity in lighting systems
ES56935A3
(en )
1914-02-16
Improvements in incandescent lighting installations.
CH57638A
(en )
1913-03-01
Incandescent lamp
CH64085A
(en )
1914-03-02
Device to automatically extinguish gas lamps at predetermined times
CH63732A
(en )
1914-02-16
Equipment on automobiles for lighting gas lanterns
CH51787A
(en )
1911-09-16
Device for cleaning lamp cylinders
CA158464A
(en )
1914-10-20
Lighting device for lantern
CA148106A
(en )
1913-05-20
Lamp lighting device
FR455592A
(en )
1913-08-04
Perfected lamp
CH63225A
(en )
1914-01-16
Device for fastening candles in candlesticks
CH75282A
(en )
1917-07-02
Ignition device on lamps
AT71029B
(en )
1916-01-25
Wick setting device for round burner lamps.
DK16162C
(en )
1912-07-08
Gas lamp lights.
FR470986A
(en )
1914-10-08
Device for monitoring electric lamps
CH69405A
(en )
1915-06-16
Bulb socket with exchangeable installation