CH1125A
(en )
1889-09-19
Innovations in synochronous AC motors
CH382A
(en )
1889-03-20
Innovations in dynamo machines
CH74A
(en )
1889-01-09
Innovations to hoists
ES9906A1
(en )
1889-10-01
Improvements in electric dynamo machines.
CH37A
(en )
1889-12-12
Innovations in regulator movements
CH795A
(en )
1889-06-13
Innovation in pelerine coats
ES9698A1
(en )
1889-08-01
Improvements in alternative electrical machinery.
CH150A
(en )
1889-01-25
Improvement in electricity meters
CH811A
(en )
1889-07-05
Innovations in washing machines
CH639A
(en )
1889-10-03
Innovation in pumps
ES10394A1
(en )
1890-03-16
Improvements in electric generators.
CH1206A
(en )
1890-02-28
Innovation in wire drawing devices
CH1109A
(en )
1889-09-11
Innovation in centrifugal machines
CH280A
(en )
1889-03-04
Innovations in milk extractors
ES9270A1
(en )
1889-05-01
Improvements introduced in dynamoelectric machines.
CH2991A
(en )
1891-05-15
Innovation in AC power machines
ES10159A1
(en )
1889-12-16
Improvements in the procedure to measure alternative electric currents.
CH1266A
(en )
1889-10-26
Ball power machine
CH1627A
(en )
1890-02-28
Transformer motor
ES10251A1
(en )
1890-01-01
Improvements in electrical switches.
CH507A
(en )
1889-04-02
Innovations in electrical lighting systems
CH1398A
(en )
1889-11-30
Innovation in washing machines
ES9445A1
(en )
1889-05-16
Improvements introduced in alternating current synchronous motors.
ES9751A2
(en )
1889-09-01
Improvements introduced in alternating current synchronous motors.
CH1689A
(en )
1890-04-15
AC electric motor