GB191000526A
(enrdf_load_stackoverflow )
GB483780A
(enrdf_load_stackoverflow )
US975929A
(en )
1910-11-15
Lamp-burner.
US419600A
(en )
1890-01-14
beimel
GB191310657A
(en )
1914-05-06
Improvements connected with Gas Lamps.
GB190903634A
(en )
1910-02-15
Improvements in Incandescent Street and other Lamps.
US653464A
(en )
1900-07-10
Gas-burner.
GB190807791A
(en )
1909-04-08
Improvements in Fittings for Inverted Incandescent Gas Burners and Lamps
US1007713A
(en )
1911-11-07
Inverted-arc gas-lamp.
GB191024973A
(en )
1911-07-06
Improvements in and connected with Incandescent Gas Lamps.
GB190519468A
(en )
1906-03-29
Improvements in Inverted Incandescent Lamps or Gas Burners.
GB190225040A
(en )
1903-02-12
Improved Apparatus for Regulating the Gas and Air Supply to Incandescent Lights.
GB190903948A
(en )
1909-10-28
Improvements in Inverted Incandescence Gas Lamps.
US734470A
(en )
1903-07-21
Hydrocarbon-vapor lamp.
GB189800793A
(en )
1898-02-12
Improvements in Incandescent Gas-lamps.
GB190305955A
(en )
1904-01-21
Improvements in Incandescence Gas Burners.
GB190410151A
(en )
1904-06-23
Improvements in or relating to Lamps and Burners for Lighting Purposes.
GB190602320A
(en )
1906-07-05
Improvements in Incandescent Gas Lamps.
GB189853A
(enrdf_load_stackoverflow )
GB190902009A
(en )
1909-12-09
Improved Vapour Generating Burner for Heating and Lighting Purposes.
GB190327643A
(en )
1904-01-21
Improvements in and relating to the Regulating of the Air Supply to Atmospheric Burners for Incandescent Gas Lighting.
GB189701777A
(en )
1897-08-28
An Improvement in Burners for Incandescent Gas Lights.
GB191027407A
(en )
1911-07-06
Improvements in Vapour Incandescent Lamps.
GB190518824A
(en )
1906-08-09
Improvements in Incandescence Vapour Lamps.
GB191201348A
(en )
1913-01-16
Improvements in or relating to Gas Lamps.