CH56699A
(en )
1912-11-16
Remote ignition device for gas lamps
CH58080A
(en )
1913-02-17
Friction spark ignition device for gas lamps
CH67463A
(en )
1914-12-01
Pliers for fire brigade
CH65226A
(en )
1914-06-01
Ignition device for gas burners
CH56028A
(en )
1912-10-01
Safety device for gas lamps
CH62013A
(en )
1913-11-01
Ignition device on gas lamps
CH67030A
(en )
1914-11-02
Pneumatic remote ignition device for gas lamps
CH67972A
(en )
1915-02-01
Puncture ignition device for gas burners
CH57154A
(en )
1912-12-16
Pyrophoric ignition device for gas burners
CH69070A
(en )
1915-05-17
Pyrophoric ignition device for gas burners
CH60868A
(en )
1913-08-16
Gas lighting system
CH48631A
(en )
1910-11-16
Time ignition device for gas lamps
NL503C
(en )
1915-02-01
Safety device on gas burners
CH69234A
(en )
1915-06-01
Pressure ignition device for lighting and extinguishing gas lanterns
CH57155A
(en )
1912-12-16
Pyrophoric ignition device for gas stoves
CH69404A
(en )
1915-06-16
Device for automatic lighting and extinguishing of gas lamps at predetermined times
CH72028A
(en )
1916-04-17
Automatic acetylene gas apparatus
CA168369A
(en )
1916-03-21
Device for lighting and extinguishing gas lamps
NL84C
(en )
1914-01-02
Automatic safety gas shut-off device
AT71029B
(en )
1916-01-25
Wick setting device for round burner lamps.
CH62674A
(en )
1913-12-16
Device for the automatic ignition and extinguishing of lighting apparatus
CH50750A
(en )
1911-07-01
Automatic ignition and extinguishing device on gas lamps
CH63895A
(en )
1914-02-16
Pneumatic remote ignition on gas lamps
FR429883A
(en )
1911-10-03
Automatic flame extinguisher for kerosene lamps
AT51839B
(en )
1912-01-25
Ignition device for gas burners.