CH59456A
(en )
1913-05-16
Circuit breaker on electric elevators for clocks and spring drives
CH63624A
(en )
1914-02-02
Circuit breaker on electric clocks
FR442668A
(en )
1912-09-06
Electrical switches
CH55450A
(en )
1912-08-16
Electric alarm device on clocks
CH50421A
(en )
1911-06-01
Clockwork electrical switching device
CH60816A
(en )
1913-08-16
Contact device on electric pendulum clocks
CH57439A
(en )
1913-01-02
Circuit for power signal stations
CH62472A
(en )
1913-12-01
Electric alarm devices on clocks
CH63690A
(en )
1914-02-16
Safety device for electrical generators monitored by rapid regulators
CH49641A
(en )
1911-03-01
Contact device for electric clock strikes
CH65062A
(en )
1914-05-16
Safety arrangement for electrical generators monitored by rapid regulators
CH54024A
(en )
1912-04-16
Line arrangement on high voltage transformers
CH58320A
(en )
1913-03-01
Switching in electrical block works
CH56026A
(en )
1912-10-01
Device for the separation of high voltage alternating electrical discharges
CH51529A
(en )
1911-09-01
On and off switch for all types of electrical power lines
CH69551A
(en )
1915-07-01
Power supply for electrical apparatus
CH61276A
(en )
1913-09-16
Switch boxes for electrical purposes
CH68243A
(en )
1915-02-16
Multiple fuse for electrical power lines
CH73142A
(en )
1916-08-16
Momentary switching device for electrical switches
CH63688A
(en )
1914-02-02
Rapid regulator for electric generators
CH70206A
(en )
1915-09-01
Independent voltage regulator for electrical machines
AT57761B
(en )
1913-02-25
Circuit arrangement for voltage reducers.
CA138446A
(en )
1912-02-13
Regulator for electrical circuits
FR439322A
(en )
1912-06-11
Electrical circuit breaker
CH53804A
(en )
1912-04-01
Reading device on electrical measuring devices