NL1725C
(en )
1916-11-15
Improvement of a method for burning garbage
NL1658C
(en )
1916-11-01
Method for preparing margarine
NL1240C
(en )
1916-04-15
Method for preparing a flint-containing caoutchouc mass
NL387C
(en )
1914-10-15
Machine for the production of artificial slate
NL782C
(en )
1916-12-15
Process for manufacturing a material from waste wood
NL343C
(en )
1914-10-01
Process for preparing solid fumigants
NL1169C
(en )
1917-01-15
Method for manufacturing a paper tissue
NL1203C
(en )
1916-06-01
Method for deepening boreholes
NL1641C
(en )
1916-11-15
Method for manufacturing peat-coal briquettes
NL358C
(en )
1914-10-01
Process for preparing erythrene
NL1642C
(en )
1916-11-15
Improvement of a method for bleaching flour
NL1674C
(en )
1917-05-01
Method for making soap
NL340C
(en )
1914-10-01
Improvement to a device for burning finely divided fuel
NL1734C
(en )
1916-12-01
Sound box for telephones
NL1586C
(en )
1917-04-02
Lubricator for cylindrical slides
NL654C
(en )
1915-05-01
Process for Separating Solid Paraffin Hydrocarbons
NL271C
(en )
1914-06-15
Improvement of a method for preparing percussion ashes
NL379C
(en )
1914-10-15
Pivotbok for transportable artillery
NL1027C
(en )
1916-01-03
Improvement of a method for killing harmful insects or insects intended for collections
NL1713C
(en )
1916-11-15
Method for hydrogenating unsaturated substances
NL1534C
(en )
1916-09-04
Apparatus for manufacturing chain links
NL1303C
(en )
1916-06-15
Improvement to a device for cutting drill pipes
NL1258C
(en )
1916-05-01
Method for preparing sulfur-containing dyes
NL504C
(en )
1915-03-15
Process for preparing an electrolyte for secondary elements
NL1563C
(en )
1916-11-01
Improvement to a device for re-grinding