DK22189C
(en )
1917-06-18
Automatic Switch and Power Shutter for Electric Lighting Systems.
DK22155C
(en )
1917-05-21
Automatic Switch and Power Shutter for Electric Lighting Systems.
DK19944C
(en )
1915-03-08
Electric Time Circuit Shutter.
DK20141C
(en )
1915-05-03
Pressure switch for electric lighting systems and the like.
DK20014C
(en )
1915-03-29
Switching device for electric Light Advertising.
ES63170A3
(en )
1916-11-16
An automatic switch for electric and gas lighting.
DK20013C
(en )
1915-03-29
Electric Timer System.
DK20831C
(en )
1915-12-20
Electric thermostatic fire alarm switch.
DK20085C
(en )
1915-04-19
Electrical Switch.
DK20159C
(en )
1915-05-10
Procedure for Repairing Burnt Out Electric Light Bulbs.
DK19792C
(en )
1915-02-08
Self-acting electric switch.
DK22224C
(en )
1917-07-02
Automatic Switch for automatic AC motors and the like.
DK27084C
(en )
1921-01-10
Electrical Signaling Procedure.
DK20206C
(en )
1915-05-31
Electric Switchgear.
DK26015C
(en )
1920-05-25
Machine for cutting electric light bulbs and the like.
DK16074C
(en )
1912-06-17
Automatic Time Switch for Electric Power.
DK18438C
(en )
1914-02-02
Power switch.
DK23402C
(en )
1918-08-19
Self-acting Power Shutter and Power Switch Device for Thermal Phones.
DK15531C
(en )
1912-01-29
Automatic for switching on and off electric lamps.
DK19372C
(en )
1914-10-19
Pressure switch for electric lighting systems and the like.
DK22207C
(en )
1917-06-25
Electric Time Circuit Shutter.
DK19159C
(en )
1914-08-24
Connection box for electric lighting fixtures and the like.
ES60768A3
(en )
1915-09-01
Commutator or switch for electric lamps.
ES60579A3
(en )
1915-08-01
Switches for lamps.
CH68730A
(en )
1915-04-16
Automatic off switch