DK30159C
(en )
1922-08-28
Procedure for the production of natural-colored viewing images.
DK27962C
(en )
1921-07-11
Procedure for the Preparation of Alkalicyanates.
DK27406C
(en )
1921-04-11
Procedure for the Production of Glycerin from Sugar.
DK22571C
(en )
1917-11-05
Procedure for the production of dyes.
DK28118C
(en )
1921-08-01
Procedure for Making Color Images.
DK22351C
(en )
1917-08-13
Procedure for Producing Colored Stereo Images.
DK22728C
(en )
1917-12-31
Procedure for the manufacture of porcelain objects.
CH77681A
(en )
1918-10-01
Advanced screen
DK25853C
(en )
1920-04-19
Color Photography Procedure.
DK24843C
(en )
1919-08-11
Procedure for Making Caramel.
DK27322C
(en )
1921-03-21
Procedure for the Production of Glycerin from Sugar.
DK26003C
(en )
1920-05-25
Procedure for the Elimination of Magnium by Electrical Route.
DK29969C
(en )
1922-07-24
Procedure for the production of alkali nitrates.
DK27323C
(en )
1921-03-21
Procedure for the Production of Glycerin from Sugar.
DK27324C
(en )
1921-03-21
Procedure for the Production of Glycerin from Sugar.
DK27405C
(en )
1921-04-11
Procedure for the Production of Glycerin from Sugar.
DK22299C
(en )
1917-07-23
Procedure for the manufacture of fuel briquettes.
DK26901C
(en )
1920-11-15
Procedure for the Production of Beer.
DK19869C
(en )
1915-02-22
Procedure for Making Color Photographs.
DK20328C
(en )
1915-07-12
Procedure for Making Color Photographs.
DK24283C
(en )
1919-03-24
Procedure for the production of printing surfaces.
DK30772C
(en )
1922-11-20
Procedure for Making Composite Images.
DK27646C
(en )
1921-05-23
Apparatus for the manufacture of fertilizers.
DK26140C
(en )
1920-06-21
Procedure for the manufacture of artificial abrasives.
DK22409C
(en )
1917-09-03
Procedure for Making Enamel.