DK26681C
(en )
1920-09-20
Method and apparatus for sharpening optical lenses and the like.
DK22265C
(en )
1917-07-16
Method and apparatus for grinding the surface of conical rollers.
DK22541C
(en )
1917-10-22
Method and Apparatus for Polishing Silver Objects.
DK20312C
(en )
1915-07-05
Procedure and Apparatus for Presenting Notices and the Like.
DK20513C
(en )
1915-08-30
Method and Apparatus for Leaving Leather Surfaces.
DK26255C
(en )
1920-07-05
Apparatus for Kiting Joints and the like.
DK20584C
(en )
1915-09-20
Method and Apparatus for the Production of Lead Oxide.
DK20292C
(en )
1915-06-28
Apparatus for grinding teeth on gears or similar.
DK29747C
(en )
1922-06-12
Method and Apparatus for Sharpening Knife Discs.
DK21624C
(en )
1916-11-06
Razor Sharpening Apparatus.
DK20923C
(en )
1916-01-17
Method and Apparatus for Making Salt Salt.
DK21511C
(en )
1916-09-18
Method and Apparatus for Refining Petroleum.
DK21613C
(en )
1916-10-23
Method and Apparatus for Making Color Photographs.
DK22311C
(en )
1917-07-30
Apparatus for distilling petroleum residues and the like.
DK26188C
(en )
1920-06-28
Method and Apparatus for cooling viscous liquids.
DK13793C
(en )
1910-10-17
Apparatus for assembling the sticks in buttercups and the like.
DK15499C
(en )
1912-01-22
Method and Apparatus for Making Sculptures.
DK22316C
(en )
1917-07-30
Method and Apparatus for Manufacturing Nitrogen Carbide Nitrogen Compounds.
DK15120C
(en )
1911-09-25
Apparatus for Checking Payments and the like.
DK16684C
(en )
1912-11-18
Method and Apparatus for Overcoming the Inertia of Selenium Cells.
DK18541C
(en )
1914-03-09
Apparatus for forming arm core pieces for wheels, pulleys and the like.
DK22112C
(en )
1917-05-07
Method and Apparatus for regulating the outflow of a liquid.
DK21018C
(en )
1916-02-21
Apparatus for Cutting Objects.
DK31945C
(en )
1923-07-09
Method and apparatus for cooling and condensing gaseous substances.
DK20786C
(en )
1915-11-29
Procedure and Apparatus for the Treatment of Hydrocarbons.