DK50385C
(en )
1935-07-01
Procedure for Manufacturing the Diket.
DK48979C
(en )
1934-07-09
Device for Enabling Placement of Air Agitation Systems in the Upper, Fine Sand Layer in Quick Filters.
DK48730C
(en )
1934-05-07
Procedure and Device for Aerating Liquids.
CH160978A
(en )
1933-04-15
Device for making plant holes.
DK50103C
(en )
1935-04-08
Device for securing railway crossings.
DK50104C
(en )
1935-04-08
Device for securing railway crossings.
DK49729C
(en )
1935-01-02
Coupling device for controlling circuits.
DK50508C
(en )
1935-08-05
Device for Releasing Lifeboats.
DK49394C
(en )
1934-10-15
Device for controlling diesel-electric or similar vehicles.
DK49864C
(en )
1935-02-11
Aircraft Location System.
CH160195A
(en )
1933-02-28
Clamping device for snowshoes.
FR766381A
(en )
1934-06-27
Device for changing the spools in the cannulas
DK45975C
(en )
1932-07-25
Device for Controlling Circuits in Telephone Systems.
DK53451C
(en )
1937-08-16
Device for Spraying Liquid in Air.
ES128380A1
(en )
1932-12-16
IMPROVEMENTS IN THE TERRESTRIAL FUNICULAR ROADS.
DK46931C
(en )
1933-02-13
Device for Maintaining the Transverse Control of Airplanes.
DK48317C
(en )
1934-01-29
Filter for Purifying Liquids.
DK49889C
(en )
1935-02-18
Filtering device.
DK48881C
(en )
1934-06-18
Filtering device.
CH167505A
(en )
1934-02-28
Filtering device.
ES126218A1
(en )
1932-05-01
Filter device.
DK48522C
(en )
1934-03-19
Device for Hanging Signs.
DK49510C
(en )
1934-11-12
Self-moving, rotating device for spreading sewage or similar liquids over a filter.
DK48354C
(en )
1934-02-05
Device for dimming car headlights.
DK50323C
(en )
1935-06-11
Aircraft Orientation Marking System.