GR158B
(en )
1921-09-08
PERFECTIONS ARE INVESTED IN AND IN RELATION TO A BANK USED FOR THE CONCENTRATION OF ORE.
FR555864A
(en )
1923-07-07
Improvements in the concentration of ores and minerals
GR58B
(en )
1921-04-29
IMPROVEMENTS IN AND IN RELATION TO SHIP FRAMEWORK.
GR570B
(en )
1924-12-12
IMPROVEMENTS IN AND IN RELATION TO OIL GAS PRODUCTION.
GR325B
(en )
1922-08-27
PERFECTIONS IN AND IN RELATION TO A GYROSCOPIC COMPASS.
FR562561A
(en )
1923-11-14
Improvements in mineral concentration
FR542574A
(en )
1922-08-17
Improvements in pulverizers
GR686B
(en )
1924-07-25
PERFECTIONS IN AND IN RELATION TO INCREASE OVER CASE DISPOSAL.
GR143B
(en )
1921-08-21
PERFECTIONS IN THE ALTERNATIVE SEDIMENT OF SODIUM BITCARCUM AND AMMONIUM CHLORIDE.
ES79529A3
(en )
1922-01-01
Improvements in banks for claim and adornment.
GR6956B
(en )
1937-11-19
PERFECTIONS AND ADDED TO AND IN RELATION TO A NEW TYPE OF CONTAINER.
FR541525A
(en )
1922-07-28
Improvements in locks
GR69B
(en )
1921-05-19
IMPROVEMENTS IN AND IN RELATION TO THE MACHINE FOR THE CONSTRUCTION OF PIPES, OVENS AND SIMILAR.
GR437B
(en )
1923-05-21
IMPROVEMENTS IN AND IN RELATION TO PHOTO-UNCEMICAL PRINTING.
GR1493B
(en )
1927-05-07
IMPROVEMENTS IN AND IN RELATION TO EXPLOSIVES.
FR533669A
(en )
1922-03-08
Interlocking chipboard forming chain and its applications in construction
ES105007A1
(en )
1928-01-01
Perfections in or related to interfolial duplicating machines.
FR543458A
(en )
1922-09-04
parallel vice for modelers and sculptors
GR6325B
(en )
1937-02-25
PERFECTIONS IN AND IN RELATION TO BICYCLES (PEDAL) OF BICYCLES.
GR261B
(en )
1922-03-24
METHOD OF DESTRUCTION OF MINERALS AND CONCEETRAFE TO CONVERT THEM IN SULPHATE.
GR54B
(en )
1921-07-29
IMPROVEMENTS IN METHODS OR IN RELATION TO METHOD DRYING AND THEIR MACHINES.
ES86109A1
(en )
1923-10-01
Improvements in or in relation to chlorinators.
FR580707A
(en )
1924-11-14
Improvements in mineral concentration
FR531312A
(en )
1922-01-11
Improvements in staples or buckles
ES76920A1
(en )
1921-04-01
Improvements in reduction gears or reduction gears.