ATE492926T1
(en )
2011-01-15
CONNECTION DEVICE AND CONNECTION SYSTEM FOR INSULATED ELECTRICAL CONDUCTORS
CH1615A
(en )
1890-02-28
Invisible, transportable, contact for house telegraphs and electrical lines
CA30939A
(en )
1889-03-19
Insulating device for supporting telegraph and other wires or electricalconductors
ES10139A1
(en )
1889-12-16
An invisible and transportable contact for domestic telegraphs and other electrical conduits and communications.
ES12221A1
(en )
1891-07-16
Improvements in electrical conductors.
ES10395A1
(en )
1890-03-01
Improvements in the construction and manufacture of electrical conductors.
ES10251A1
(en )
1890-01-01
Improvements in electrical switches.
CA33029A
(en )
1889-12-04
Electric telegraph
CH5936A
(en )
1893-07-15
AC dynamo (system C.-E.-L. Brown)
ES9993A1
(en )
1889-11-01
An electric transformer-meter.
CH1511A
(en )
1890-01-15
Electrical contact plant
CH5790A
(en )
1893-06-30
Single-phase transformer (C.-E.-L. Brown system)
CA39639A
(en )
1892-08-03
Electrical heater
ES10329A1
(en )
1890-02-16
Improvements in the construction of pipes for electrical conductors.
DE55527C
(en )
1891-02-27
Fuse for electrical screw contacts.
CA40528A
(en )
1892-10-01
Insulated electric conductor
CA40529A
(en )
1892-10-01
Insulated electric conductor
ES9950A1
(en )
1889-10-16
Improvements introduced in the insulator of the electrical conductors.
CA39866A
(en )
1892-08-16
Telephone and other electrical exchange
CH507A
(en )
1889-04-02
Innovations in electrical lighting systems
ES7121A1
(en )
1887-08-16
An electrical appliance.
ES14127A1
(en )
1893-02-16
Improvements in telephone changes and other electrical changes.
ES9197A1
(en )
1889-04-01
Improvements introduced in electrical systems.
NL143381B
(en )
ELECTRICAL CONNECTION DEVICE.
CA39506A
(en )
1892-07-27
Electric heater