GR3260B
(en )
1931-06-24
PERFECTIONS IN AND IN CONNECTION WITH CONTINUOUS PRINTING.
SU25134A1
(en )
1932-01-31
Gramophone with electric drive
GR2547B
(en )
1929-11-26
IMPROVEMENTS IN AND IN CONNECTION WITH CONCRETE.
GR3490B
(en )
1932-01-21
PERFECTIONS IN AND IN RELATION TO ELECTRIC BATTERY ELEMENTS.
AT111004B
(en )
1928-10-25
Price scales with price indicators that can be read on both sides.
GR2657B
(en )
1930-03-01
PERFECTIONS IN BOILERS WITH TUBE ELEMENTS.
GR156B
(en )
1921-09-02
IMPROVEMENTS IN AND IN CONNECTION WITH GETTINGS AND THE SAME.
GR2737B
(en )
1930-05-05
AIRPLANE OR SEAFLOW WITH AUTOMATIC RHYTHMIC OPERATIONS AND VARIOUS OTHER ADVANTAGES.
ES121955A1
(en )
1931-03-16
Perfections in the manufacture of the corduroy.
ES120464A1
(en )
1930-12-01
Improvements in the propellers.
ES118741A1
(en )
1930-07-16
Improvements in continuous furnaces.
ES116497A1
(en )
1930-02-16
Improvements in the calibrators.
GR2744B
(en )
1930-05-10
PERFECTIONS IN RELATION TO CONSTRUCTION.
GR2548B
(en )
1929-11-26
PHOTOLEVIC ELECTRIC TUBES IN VARIOUS SHAPES AND COLORS.
GR2127B
(en )
1929-01-22
PERFECTIONS IN AND IN RELATION TO COLOR PHOTOGRAPHY AND CINEMA.
GR2404B
(en )
1929-08-05
PERFECTIONS IN AND IN RELATION TO SECONDARY ELECTRICAL ELEMENTS.
GR7533B
(en )
1938-07-20
IMPROVEMENTS IN AND REGARDING FIREARMS.
GR2038B
(en )
1928-11-02
IMPROVEMENTS IN AND IN RELATION TO OIL BURNER.
GR3663B
(en )
1932-05-26
PERFECTIONS IN AND IN RELATION TO MOTOR VEHICLES.
GR3481B
(en )
1932-01-14
OPINIONS CIRCULAR TO MEASURE AND IMPRESS THE ANGLES AND DISTANCES.
DK49289C
(en )
1934-09-17
Typewriter with silent Type Imprint.
GR2659B
(en )
1930-03-07
STEAM SHIP AND AIRCRAFT ELIX.
ES121210A1
(en )
1931-02-01
Improvements in the cards and similar.
GR3378B
(en )
1931-10-09
COLLECTOR METER AND CONTROLLER.
ES123351A1
(en )
1931-07-16
Improvements in the trucks.