DK18728C
(en )
1914-04-20
Protective device for electrical wires.
DK24324C
(en )
1919-03-31
Insulation device for electrical conductors.
CH64445A
(en )
1914-04-01
Mailbox with electrical alarm device
CA173351A
(en )
1916-11-21
Electrical protective device
CA173352A
(en )
1916-11-21
Electrical protective device
CA175713A
(en )
1917-03-13
Electrical protective device
CH68390A
(en )
1915-03-16
Cooling device on electrical machines
CH68723A
(en )
1915-04-16
Cooling device on electrical machines
AT82874B
(en )
1921-02-25
Protection device for electrical lines.
AT75036B
(en )
1918-11-25
Protection device for electrical lines against interference waves.
CH73236A
(en )
1916-09-16
Protective device for electrical line conductors
CH63213A
(en )
1914-01-16
Commutation device on electrical machines
CA177229A
(en )
1917-05-22
Electrical protective device
CH50878A
(en )
1911-07-01
Flattened electrical cable with lateral conductors
CA158938A
(en )
1914-11-17
Electrical protective device
CA161734A
(en )
1915-04-06
Electrical protective device
FR428390A
(en )
1911-08-29
Power cable device
CH53804A
(en )
1912-04-01
Reading device on electrical measuring devices
ES55262A1
(en )
1913-06-01
Improvements in electrical insulators.
AT82840B
(en )
1921-02-25
Clamping device for fastening electrical cables on insulators.
CH69849A
(en )
1915-08-02
Protective device for the insulating pipes of electrical line systems
CH65459A
(en )
1914-07-01
Signaling device especially on electric trams
ES62829A2
(en )
1916-09-16
Improvements in the means of protection of electrical conductors.
ES62610A1
(en )
1916-08-01
Improvements in the means of protection of electrical conductors.
CH68109A
(en )
1915-02-16
Alarm clock with electrical auxiliary ringing device