DK39445C
(en )
1928-11-05
Apparatus for measuring sea depths.
FR632167A
(en )
1928-01-04
Improvements made to support legs for cameras, surveying or the like
DK47104C
(en )
1933-03-20
Apparatus for measuring distances and depths according to the resonant principle.
DK49336C
(en )
1934-10-01
Apparatus for Detecting Distances or Depths.
SU13530A1
(en )
1930-03-31
A device for taking water samples from the desired depth
DK37994C
(en )
1927-09-26
Signal device for measuring the water depth from ships.
DK42145C
(en )
1930-05-05
System for measuring underwater distances, in particular water depths.
FR642695A
(en )
1928-09-01
Advanced compass for aviation, navy, etc.
DK28339C
(en )
1921-09-05
Apparatus for the Disposal of Meters, Boards, Rolls or the like.
ES98802A3
(en )
1926-10-01
Submarine ship improvements.
ES98800A3
(en )
1926-10-01
Submarine ship improvements.
ES98801A3
(en )
1926-10-01
Submarine ship improvements.
DK28488C
(en )
1921-09-26
Apparatus for measuring or registering forces or the like.
DK34152C
(en )
1925-02-16
Apparatus for scrubbing ship bottoms underwater.
FR619665A
(en )
1927-04-07
Mano-thruster for light craft
FR639812A
(en )
1928-06-30
Floating message carrier for the navy
DK44743C
(en )
1931-10-26
Apparatus for Determining the Direction of a Sounder.
ES96521A1
(en )
1926-05-01
Life-saving device for the crew of a submarine unable to surface.
DK35468C
(en )
1926-01-04
Apparatus for Attempts at Detection of the Presence of Water Years in the Earth.
DK31502C
(en )
1923-04-03
Apparatus for Measuring Feet or Loafers.
FR625652A
(en )
1927-08-17
Raft boat
DK40691C
(en )
1929-08-26
Pontoon device for ships to prevent them from sinking.
FR650289A
(en )
1929-01-07
Rescue apparatus for underwater ships
DK37137C
(en )
1927-02-14
Apparatus for Measuring the Foot.
DK33307C
(en )
1924-06-02
Apparatus for measuring the depth of the sea by sounds produced on board ships.