CH78747A
(en )
1918-11-01
Electric timer for at least two different circuits with time-dependent adjustable switching times
CH78746A
(en )
1918-11-01
Electric time switch for at least two different circuits with independently adjustable switching times
CH76710A
(en )
1918-06-01
Electric time switch for at least two different circuits with independently adjustable switching times
FR518349A
(en )
1921-05-23
Push-button switches
FR553415A
(en )
1923-05-24
Maximum current switch
CH79052A
(en )
1918-11-01
Electric cooking device
AT98620B
(en )
1924-11-25
Step switching for electrical systems with at least two power consumption circuits connected in parallel.
AT88440B
(en )
1922-05-10
Device for operating electrical discharge tubes with two or more current paths.
CH78396A
(en )
1918-07-16
Electric heater
CH81055A
(en )
1919-05-01
Electric alarm device for bed-wetting
CH81047A
(en )
1919-05-01
Switching device
CH78722A
(en )
1919-02-01
Electric strip fuse
CH80601A
(en )
1919-08-01
Electric switch intended to control several circuits at the same time
FR21183E
(en )
1920-07-01
Push button switch for electrical installations
FR544246A
(en )
1922-09-19
Multiple fused circuit breaker
CH79673A
(en )
1919-05-01
Electrical measuring device
FR516142A
(en )
1921-04-14
Push button switch for electrical circuits
FR500826A
(en )
1920-03-25
Current reversing switch
CH77848A
(en )
1918-06-01
Lever switch with fuse
CH80479A
(en )
1919-03-01
Device for electric space heating
CH78642A
(en )
1918-08-16
Device for electric space heating
CH81075A
(en )
1919-05-01
Device for electric space heating
FR509635A
(en )
1920-11-16
Automatic circuit breaker switch
FR517551A
(en )
1921-05-07
Current switch
CH78595A
(en )
1918-08-01
Automatic parallel switching device