GR2439B
(en )
1929-09-03
IMPROVEMENTS IN LIFEGUARDS OF SUBMARINE CREWS AND ALL KINDS OF SHIPS.
GB328458A
(en )
1930-05-01
Improvements in the construction of boats and the like
GR2300B
(en )
1929-05-28
LIFEGUARD FOR SUBMARINE CREWS AND ALL KINDS OF SHIPS.
FR640821A
(en )
1928-07-23
Folding and portable boat
ES114398A1
(en )
1929-10-16
Improvements in the hulls of the ships.
GR1730B
(en )
1928-01-30
NEW WAY APPLIED TO SHIP, SEA PLANE AND TRAIN.
GR2351B
(en )
1929-07-04
METHOD OF QUICK AND SAFE LIFTING OF SUBMARKING AND SUBMARINED SUBMARINE.
ES112272A1
(en )
1929-06-16
Improvements in the construction of underwater ships.
ES114019A1
(en )
1929-08-16
Improvements in radiotelephone systems or lines and their like.
GR2276B
(en )
1929-04-23
METHOD AND ORGANIZATION OF IRROGATION.
FR680785A
(en )
1930-05-06
Flying ship
GR3076B
(en )
1931-01-28
LIFEGUARD SUBMARINE DEVICE FOR THE RESCUE OF CREWS.
GR2719B
(en )
1930-04-15
TECHNOLOGICAL MARINE POWER THROUGH THE LIFTING AND FALLING OF THE WATERS.
ES107236A1
(en )
1928-09-16
Improvements in the means of propelling and governing the boats.
FR657551A
(en )
1929-05-24
Propulsion device for ships and other applications
ES112207A1
(en )
1929-06-16
Improvements in the construction of bridges or decks of submarine ships.
DK41717C
(en )
1930-02-24
Ship propeller.
ES105943A1
(en )
1928-04-01
Improvements in the hulls of ships.
ES117951A1
(en )
1930-09-16
Folding and inflatable floating boats.
GR1067B
(en )
1925-12-08
PERIAVECHION AND PERIOMION SOSSIVION (SWIMMING RING).
ES116064A1
(en )
1930-01-16
IMPROVEMENTS IN EXPLOSION ENGINES AND OTHERS.
FR680779A
(en )
1930-05-06
Improvements in boat propulsion
ES112795A1
(en )
1929-07-01
Improvements in phototelegraph transmitters of views and images.
GR1433B
(en )
1927-02-17
IMPROVEMENTS IN THE HYPERTEMETER AND SPECIAL ALTITUDE.
GR3133B
(en )
1931-04-02
METHOD OF USE OF ZAKYNTHOS ASPHASPHALT FOR THE CONSTRUCTION OF PERMANENT AND SEMI-PERMANENT ROADS.