NL42C
(en )
1913-10-15
Method for manufacturing a product suitable for menu production
NL661C
(en )
1915-05-15
Method for manufacturing synthetic wires
NL1169C
(en )
1917-01-15
Method for manufacturing a paper tissue
NL1658C
(en )
1916-11-01
Method for preparing margarine
NL605C
(en )
1915-05-01
Improvement of a method for manufacturing wires, films, plates and the like
NL1641C
(en )
1916-11-15
Method for manufacturing peat-coal briquettes
NL1240C
(en )
1916-04-15
Method for preparing a flint-containing caoutchouc mass
NL358C
(en )
1914-10-01
Process for preparing erythrene
NL558C
(en )
1915-03-01
Method for obtaining a raw material for the manufacture of viscose from finely divided wood
NL1709C
(en )
1917-05-01
Method for preparing reserves
NL769C
(en )
1915-09-15
Method for the mechanical production of paper folding trays
NL343C
(en )
1914-10-01
Process for preparing solid fumigants
NL414C
(en )
1914-11-02
Process for the preparation of a rubber surrogate
NL1220C
(en )
1916-05-15
Improvement of a method for the production of securities
NL1120C
(en )
1916-02-15
Improvement of a method for the preparation of superior sugar
NL791C
(en )
1915-09-03
Process for preparing a plastic mass for pressed articles
NL402C
(en )
1914-11-02
Improvement of a method for producing charcoal
NL387C
(en )
1914-10-15
Machine for the production of artificial slate
NL349C
(en )
1914-10-01
Improvement of a process for preparing white lead
NL1682C
(en )
1916-11-01
Method for preparing a solid stain remover
NL1725C
(en )
1916-11-15
Improvement of a method for burning garbage
NL292C
(en )
1914-08-01
Improvement of a method of manufacturing prostheses
NL1047C
(en )
1916-01-15
Improvement to a machine for manufacturing helically corrugated pipes
NL830C
(en )
1915-09-15
Process for manufacturing imitation cardboard tiles for wall covering
NL1674C
(en )
1917-05-01
Method for making soap