GR4061B
(en )
1933-02-16
PERFECTIONS IN THE MANUFACTURE OF CRUSHES.
GR4152B
(en )
1933-05-16
PERFECTIONS IN THE MANUFACTURE OF METAL BARRELS IN GENERAL.
ES130261A1
(en )
1933-05-16
Perfections in the manufacture of fabrics.
ES129410A3
(en )
1933-05-01
Improvement in the manufacture of footwear.
ES130772A1
(en )
1933-07-01
Improvements in the manufacture of footwear.
ES136891A1
(en )
1935-05-01
Perfections introduced in the camera.
GR2903B
(en )
1930-09-02
PERFECTIONS IN THE INDUSTRIAL MANUFACTURE OF ARTIFICIAL LEATHER.
ES130146A1
(en )
1933-09-01
Improvements in the manufacture of cambrillones for the manufacture of footwear.
ES128395A1
(en )
1933-01-01
Improvements in the manufacture of mattresses.
GR6411B
(en )
1937-04-07
PERFECTIONS IN THE MANUFACTURE OF THE SPILL.
ES135618A1
(en )
1935-02-16
Perfeccionamientos in the manufacture of espadrilles.
ES133125A1
(en )
1934-03-01
Perfections in the development of dentures.
GR4068B
(en )
1933-02-22
PERFECTIONS OF THE RESISTANT.
ES132997A1
(en )
1934-02-16
Improvements in the manufacture of shoes.
ES131633A1
(en )
1933-10-01
Improvements introduced in the manufacture of locks.
ES132984A1
(en )
1934-05-16
Improvements introduced in the manufacture of locks.
ES138036A1
(en )
1935-08-16
An improvement in the manufacture of mattress fabrics.
ES137059A1
(en )
1935-05-16
Improvements in the manufacture of refrigerators.
ES136975A1
(en )
1935-05-16
Improvements in the manufacture of footwear.
ES139552A1
(en )
1935-11-16
Improvements in the manufacture of footwear.
ES129423A1
(en )
1933-04-01
Improvements in the manufacture of zippers.
ES129242A1
(en )
1933-03-16
Perfections introduced in the pessaries.
ES129772A1
(en )
1933-05-01
Perfections introduced in mechanical toys.
ES130271A1
(en )
1933-05-16
Improvements in the manufacture of footwear.
ES130487A3
(en )
1933-09-01
Improvements in the construction of electrically operated refrigerators.