DK24145C
(en )
1919-03-03
Drilling apparatus for the manufacture of vertical boreholes.
DK22129C
(en )
1917-05-14
Machine for the manufacture of auger drills.
DK21842C
(en )
1917-01-29
Drilling Apparatus for the Manufacture of Vertical Boreholes and Methods for Its Use.
DK22676C
(en )
1917-12-17
Procedure for the manufacture of hydrocarbon compounds.
DK12864C
(en )
1910-01-17
Procedure for Building Underwater Tunnels.
DK20003C
(en )
1915-03-22
Procedure for the production of rubber.
DK13692C
(en )
1910-09-12
Process for the production of water-impermeable cement.
DK23573C
(en )
1918-09-30
Procedure for the production of caramel.
DK22410C
(en )
1917-09-03
Procedure for the production of perchlorate explosives.
DK17131C
(en )
1913-03-31
Machine for the production of slate and the like.
DK14775C
(en )
1911-07-10
Procedure for the production of artificial stone.
DK17177C
(en )
1913-04-07
Procedure for the production of artificial stone.
DK26855C
(en )
1920-11-08
Process for the Preparation of Organic Calcium Iodide Derivatives.
DK18439C
(en )
1914-02-09
Procedure for the Production of Superphosphate.
DK15050C
(en )
1911-09-04
Procedure for the production of relief clichés.
DK20132C
(en )
1915-05-03
Procedure for the manufacture of fireproof roads.
DK16575C
(en )
1912-10-28
Apparatus for the manufacture of wood.
DK26890C
(en )
1920-11-08
Procedure for the production of low-smoke gunpowder varieties.
DK24927C
(en )
1919-09-01
Procedure for the Production of Cyanides.
DK26866C
(en )
1920-11-08
Procedure for the production of low-smoke gunpowder varieties.
DK15016C
(en )
1911-08-28
Explosive or Procedure for the Manufacture of the same.
DK29368C
(en )
1922-02-20
Procedure for the production of photographic reliefs.
DK17787C
(en )
1913-09-08
Method of Making Cement.
DK24283C
(en )
1919-03-24
Procedure for the production of printing surfaces.
DK14342C
(en )
1911-03-13
Procedure for the production of radium crude sulphate.