CH66214A
(en )
1914-08-17
Automatic machine for opening and closing electrical circuits
CH53141A
(en )
1912-02-01
Automatic switch for closing and opening electrical circuits one after the other
CH56987A
(en )
1912-12-02
Device for closing drains
CH64277A
(en )
1914-03-16
Device for closing the tapping opening in melting furnaces
CH63514A
(en )
1914-04-01
Device for the automatic closing of doors
CH63687A
(en )
1914-02-02
Automatic switching device for electrical high-speed regulators
AU1409014B
(en )
1915-02-16
An improved device for keeping doors open in any position
AT82885B
(en )
1921-02-25
Device for closing and interrupting the electrical current.
CH57414A
(en )
1913-01-02
Device for closing boxes
CH60211A
(en )
1913-07-01
Automat for switching electric lights on and off
CH58608A
(en )
1913-03-17
Device for opening and closing doors
CH52237A
(en )
1911-11-01
Device for opening and closing shutters
CH54287A
(en )
1912-05-01
Device for opening and closing toilet lids
CH59593A
(en )
1913-05-16
Device for opening and closing feed flaps
FR432878A
(en )
1911-12-18
Closure for clothes
AU1051613B
(en )
1914-08-04
Automatic sluice gate
CH67070A
(en )
1914-11-02
Device for opening and closing window sashes
CH63512A
(en )
1914-02-02
Automatic door lock that can be opened from the outside
CH65083A
(en )
1914-05-16
Device for the automatic opening and closing of door leaves by means of a movable base plate
CH58320A
(en )
1913-03-01
Switching in electrical block works
CH65671A
(en )
1914-07-01
Device for automatic opening of the shutters
CH65764A
(en )
1914-07-16
Device for phonographically defining conversations
FR443928A
(en )
1912-10-05
Automatic closing
AT71575B
(en )
1916-04-25
Method and device for electrical welding.
FR436567A
(en )
1912-03-30
Method for closing electrical circuits