FR753269A
(en )
1933-10-11
Marine boat
DK50064C
(en )
1935-03-25
Procedure for cleaning ship hulls or bulwarks for aquatic plants and shellfish.
FR794423A
(en )
1936-02-17
Removable rigid boat
DK53567C
(en )
1937-09-06
Seagoing ship.
FR773198A
(en )
1934-11-13
Thruster for ships and planes
DK54973C
(en )
1938-07-11
Boat decks for Ships.
FR775115A
(en )
1934-12-20
Unsinkable boat
FR45065E
(en )
1935-05-29
Thruster for ships and planes
DK50519C
(en )
1935-08-05
Procedure and Means for Preserving Meat or Fish.
FR45681E
(en )
1935-11-13
Marine rescue apparatus
FR791766A
(en )
1935-12-17
Boat propulsion mode
DK49433C
(en )
1934-10-22
For Use in Underwater Swimming, Diving or Similar Specific Glasses.
FR776393A
(en )
1935-01-24
Dismountable and portable unsinkable float boat
FR780090A
(en )
1935-04-18
Improvements in boat propulsion
ES135930A1
(en )
1935-01-01
Improvements in the propulsion of boats.
ES1767Y
(en )
1933-11-16
Wooden container for handling fish on fishing boats.
GR5380B
(en )
1935-08-07
UNDERWATER LIFE BOAT.
GR3525B
(en )
1932-02-08
FISHERY SHIP.
FR794595A
(en )
1936-02-20
Ship propulsion device
ES136713A1
(en )
1935-05-01
Apparatus for escape of submarines and works of diver.
DK51244C
(en )
1936-02-10
Holder for use in the division into slices of meat and other foods.
FI13468A
(en )
1931-03-23
Propeller for sea and airfoils
ES132520A1
(en )
1934-01-16
Improvements in the press-tow for trees of propellers of ships.
DK69819C
(en )
1949-09-05
Cleaning mechanism for bottom sieves in ships and other vessels or floating containers.
DK58024C
(en )
1940-09-23
Hull for boats and ships.