DK29345C
(en )
1922-02-20
Apparatus for propulsion and steering of boats.
FR509847A
(en )
1920-11-20
Boat thruster
DK32606C
(en )
1923-12-10
Apparatus for Propulsion and Maneuvering of Ships and Aircraft.
FR511870A
(en )
1921-01-06
Detachable boat thruster
DK29021C
(en )
1921-12-19
Apparatus for Propulsion and Control of Vessels.
FR27285E
(en )
1924-05-31
Method and arrangements for steering ships
DK28168C
(en )
1921-08-15
Device for lifeboats and other boats.
ES70928A1
(en )
1919-11-01
Propulsion and steering apparatus for boats.
DK30102C
(en )
1922-08-21
Apparatus for Raising Sunken Ships.
DK30143C
(en )
1922-08-28
Apparatus for Raising Sunken Ships.
CH81859A
(en )
1919-07-16
Signal apparatus
DK27774C
(en )
1921-06-13
Rescue device for boats.
DK28550C
(en )
1921-10-03
Method and Apparatus for the Conversion of Liquid Hydrocarbons.
DK30025C
(en )
1922-08-07
Apparatus for cleaning boats below the waterline.
DK32723C
(en )
1924-01-14
Procedure for the manufacture of boats, ships and other watercraft.
DK29770C
(en )
1922-06-19
Apparatus for raising sunken ships and the like.
DK34633C
(en )
1925-06-22
Apparatus for propelling, steering and maneuvering ships and other vessels.
DK30142C
(en )
1922-08-28
Apparatus for raising sunken ships and the like.
DK31111C
(en )
1923-01-15
Steering device for Ships.
DK27478C
(en )
1921-04-25
Procedure and Apparatus for Making Imitations of Oak.
DK27902C
(en )
1921-06-27
Apparatus for lifting sunken ships and the like.
DK29711C
(en )
1922-06-12
Device for hoods for vehicles and boats.
CH83064A
(en )
1919-11-01
Device for reversing propellers
DK28455C
(en )
1921-09-19
Method and Apparatus for Distilling Water.
FR497088A
(en )
1919-11-25
Rescue apparatus for ships