FR613449A
(en )
1926-11-17
Improvements in airship layout
ES117591A2
(en )
1930-05-01
IMPROVEMENTS INTRODUCED IN THE SAME
ES117610A2
(en )
1930-05-16
IMPROVEMENTS INTRODUCED IN THE SAME
ES112702A1
(en )
1929-07-01
An improvement in the quills.
ES116163A2
(en )
1930-01-16
IMPROVEMENTS INTRODUCED IN THE SAME.
ES112680A1
(en )
1929-07-01
An improvement in leggings and leggings.
FR700014A
(en )
1931-02-23
Continuous and multiple filler
GR2404B
(en )
1929-08-05
PERFECTIONS IN AND IN RELATION TO SECONDARY ELECTRICAL ELEMENTS.
GR2097B
(en )
1929-01-04
PERFECTIONS IN ADVERTISING EMBROIDERIES AND SIMILAR.
ES112681A1
(en )
1929-07-01
An improvement in the manufacture of leggings and leggings.
ES111456A1
(en )
1929-04-16
Blisters previously prepared auto-aspiradoras and auto-inyectoras.
ES120526A3
(en )
1930-12-01
Enhancements in combs.
GR2194B
(en )
1929-03-08
IMPROVEMENTS IN THE NEW TYPE AROTRON.
GR2193B
(en )
1929-03-08
IMPROVEMENTS IN THE NEW TYPE AROTRON.
ES112750A1
(en )
1929-07-01
Improvements in heating devices.
ES112751A1
(en )
1929-07-01
Improvements in heating devices.
ES113356A1
(en )
1929-08-01
Improvements in electro-motors.
FR682179A
(en )
1930-05-23
Curler
GR2203B
(en )
1929-03-09
IMPROVEMENTS IN THE ELECTRIC MOVEMENT.
ES116289A1
(en )
1930-02-01
DYEING PROCEDURE IN TINAS
ES116075A1
(en )
1930-01-16
IMPROVEMENTS IN ELECTRIC LAMPS.
ES115616A1
(en )
1929-12-01
Improvements in the insulators.
FR718664A
(en )
1932-01-27
Improvements in photo-telegraphy
FR679768A
(en )
1930-04-17
Improvements in electroculture
ES116619A1
(en )
1930-02-16
Improvements in the mixers.