NL333C
(en )
1914-11-02
Method for processing cleaning cotton
NL1201C
(en )
1916-04-01
Method for evaporating liquids
NL1545C
(en )
1916-09-15
Method for cleaning and disinfecting coins or other disc-shaped objects
NL1674C
(en )
1917-05-01
Method for making soap
NL316C
(en )
1914-09-01
Filtering device for sterilizing beer
NL23C
(en )
1913-08-01
Method for drawing tungsten wire
NL358C
(en )
1914-10-01
Process for preparing erythrene
NL286C
(en )
1914-07-01
Machine for defoliating and harvesting beets
NL387C
(en )
1914-10-15
Machine for the production of artificial slate
NL709C
(en )
1915-06-15
Process for preparing white enamel
NL1716C
(en )
1916-11-15
Method of processing peat
NL1658C
(en )
1916-11-01
Method for preparing margarine
NL432C
(en )
1914-11-16
Process for preparing isoprene and its homologues
NL541C
(en )
1915-02-15
Method for preparing white enamel
NL444C
(en )
1914-11-16
Method for preparing white enamel
NL495C
(en )
1915-03-15
Method for preparing white enamel
NL3834C
(en )
1919-10-01
Improvement to a device for cleaning cables.
NL675C
(en )
1915-07-01
Device for inspecting coins
NL9C
(en )
1913-07-01
Method of marking cheese
NL1746C
(en )
1917-01-02
Method for unlocking minerals
NL472C
(en )
1914-12-15
Method for mattifying enamel
NL51C
(en )
1913-11-01
Improvement to elbow bending machines
NL110C
(en )
1914-01-15
Process for purifying contaminated solutions of caustic alkalis
NL545C
(en )
1915-03-01
Process for manufacturing paint finishes
NL1062C
(en )
1916-12-15
Improvement in machines for stripping tobacco leaves