CH38973A
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1908-01-16
Electrical installation to signal attempts to break in and open the locks
FR7431E
(en )
1907-07-31
Electric alarm signaling attempts to break in or open the locks
FR355509A
(en )
1905-11-06
Electric warning system indicating attempts to open the locks
FR386617A
(en )
1908-06-18
Electric burglar alarm
FR355536A
(en )
1905-11-06
Improvements in electric ignition devices
FR399718A
(en )
1909-07-06
Electrical installation for hotels and similar establishments
FR358196A
(en )
1906-01-31
Improvements in electric fire alarms and thermo-indicators
FR367385A
(en )
1906-10-27
Improvements in automatic fire alarm devices and others
FR459897A
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1913-11-18
Electric horn to prevent the opening of the locks
GB190611527A
(en )
1907-01-24
Improvements in or connected with Signalling or other similar Flags
FR381017A
(en )
1907-12-26
Electricity meter with electrical arrangement for variable unit price
GB190601728A
(en )
1906-07-05
Improvements in or relating to Electric Alarm Devices
FR366647A
(en )
1906-10-08
Improvements in fuel air production devices
CH42412A
(en )
1909-02-01
Electric burglar alarm device
FR357722A
(en )
1906-01-10
Electric burglar alarm
FR6088E
(en )
1906-08-29
Electric burglar alarm
FR395454A
(en )
1909-03-02
Electric alarm for bathtubs
FR374930A
(en )
1907-06-26
Improvements in electrical transformers
FR386136A
(en )
1908-06-04
Improvements in devices for the production and use of electric waves
FR383695A
(en )
1908-03-14
Terminal for the junction of electrically conductive wires and others
GB190621390A
(en )
1907-06-20
Improvements in Combination Switch and Wall Connections
FR386086A
(en )
1908-06-03
Electric alarm device for door locks
FR363337A
(en )
1906-07-26
Improvements in the construction of electrical contacts
FR10007E
(en )
1909-04-10
Alarm for bicycles and other applications
FR394889A
(en )
1909-02-04
Alarm for bicycles and other applications