GR143B
(en )
1921-08-21
PERFECTIONS IN THE ALTERNATIVE SEDIMENT OF SODIUM BITCARCUM AND AMMONIUM CHLORIDE.
FR607888A
(en )
1926-07-10
Improvements in the management of tracked vehicles
GR216B
(en )
1921-12-21
PERFECTIONS IN THE COMPOSITION OF AMMONIA.
GR50B
(en )
1921-04-14
PERFECTIONS IN THE COMPOSITION OF AMMONIA.
ES77797A1
(en )
1921-06-01
Improvements in locks of all kinds.
GR71B
(en )
1921-05-28
ALUMINUM MIXTURE AND THE MANNER OF ITS CONSTRUCTION.
FR569400A
(en )
1924-04-11
Improvements in the construction of radiators
FR541525A
(en )
1922-07-28
Improvements in locks
GR217B
(en )
1921-12-21
PERFECTIONS IN THE SYNTHESIS OF AMMONIA THROUGH SUPER.
GR305B
(en )
1922-07-31
METHOD AND PROVISION TO PREVENT THE FORMATION OF SEAFLOWER PADS INSIDE THE BOILERS.
ES77802A1
(en )
1921-06-16
Improvements in the manufacture of ammonia.
ES78415A1
(en )
1921-08-16
Improvements introduced in the manufacture of espadrilles of all kinds.
GR58B
(en )
1921-04-29
IMPROVEMENTS IN AND IN RELATION TO SHIP FRAMEWORK.
ES79288A1
(en )
1921-12-01
Improvements in the crics or cats.
ES73696A1
(en )
1920-08-02
Planes and double maps superimposed recto-verso.
ES79153A1
(en )
1921-11-01
Refinements in compasses.
ES79480A1
(en )
1922-01-01
Refinements in compasses.
ES76920A1
(en )
1921-04-01
Improvements in reduction gears or reduction gears.
ES82325A3
(en )
1923-01-16
Improvements in the construction of roads and paths.
ES78726A3
(en )
1921-09-16
Improvements in tractors.
GR15B
(en )
1921-01-13
TRANSFORMATION AND TRANSFORMATIONS OF THE ELASTIC CONNECTION.
GR152B
(en )
1921-08-28
PERFECTIONS IN ALKALY ACCUMULATORS.
FI8825A
(en )
1922-01-20
The way to make lock parts
ES78203A1
(en )
1921-07-16
Improvements in the preparation of hydrogen and ammonia.
ES78842A1
(en )
1921-10-01
Improvements in the knots or wire seals and in the way of forming them.