NL42123C
(en )
1937-12-15
Ship, the bow of which is provided with a thickening.
CH204467A
(en )
1939-04-30
Motor vehicle.
SU26931A1
(en )
1932-06-30
Ship Mover
FR642695A
(en )
1928-09-01
Advanced compass for aviation, navy, etc.
DK47511C
(en )
1933-07-03
Regulator for Wind Engines.
FR39506E
(en )
1931-11-30
Advanced compass for aviation, navy, etc.
Wu
1934
Implications of the philosophy of experimentalism for higher education, with special reference to methods of teaching
ES126205A1
(en )
1932-05-01
Ships with rotating fairing.
ES135930A1
(en )
1935-01-01
Improvements in the propulsion of boats.
CH160249A
(en )
1933-02-28
Explosion engine.
DK48556C
(en )
1934-03-26
Outboard motor.
FR748140A
(en )
1933-06-29
Improvements to the dye tanks
ES128459A2
(en )
1932-12-16
Improvements in ship construction.
DK59538C
(en )
1942-03-02
Drive mechanism to supplement the propulsion of bicycles and similar vehicles.
ES119263A1
(en )
1930-09-01
Improvements in the propulsion of ships through turbines or pumps.
FR734830A
(en )
1932-10-28
Improvements to reflectors, mirrors, etc.
CA319766A
(en )
1932-02-16
Submersible boat
DK51141C
(en )
1936-01-13
Ship construction.
ES127861A1
(en )
1932-10-16
Provision for the government of vehicles with diesel-electric or with electric-benzine engine.
GR3941B
(en )
1932-12-15
SELF-DETERMINATIVE ENGINE.
GR2711B
(en )
1930-04-11
MOTORCYCLE SEA BICYCLE.
ES141002A1
(en )
1936-04-01
Ship propulsion device.
DK47880C
(en )
1933-10-16
Lantern for Bicycles and the like.
ES125741A1
(en )
1932-03-16
Improvements in the construction of automobiles.
ES125758A1
(en )
1932-03-16
Government of electric propulsion of ships.