NL534C
(en )
1915-02-15
Improvement in the preparation method of the sas for match heads
NL1201C
(en )
1916-04-01
Method for evaporating liquids
NL4550C
(en )
1920-01-15
METHOD FOR PREPARING PIGMENTS
NL245C
(en )
1914-06-15
Method for the synthetic preparation of tannins
NL432C
(en )
1914-11-16
Process for preparing isoprene and its homologues
NL1674C
(en )
1917-05-01
Method for making soap
NL1476C
(en )
1916-08-01
Method for the preparation of cellulose derivatives
NL1279C
(en )
1917-01-15
Method for the preparation of aluminum nitrure
NL1202C
(en )
1916-04-01
Method for the preparation of sulfur-containing dyes
NL1087C
(en )
1916-03-01
Method for the preparation of arseno-metal preparations
NL243C
(en )
1914-06-15
Process for the preparation of urea
NL1746C
(en )
1917-01-02
Method for unlocking minerals
NL790C
(en )
1915-09-03
Locking device for pliers-shaped wire fasteners
FR447638A
(en )
1913-01-10
Protective trim for frames of all kinds
FR433692A
(en )
1912-01-13
Stabilizer for airplanes
FR426549A
(en )
1911-07-08
balancer-parachute for airplanes
FR449645A
(en )
1913-03-04
Aircraft
FR441226A
(en )
1912-08-01
Shear
FR430744A
(en )
1911-10-23
Longitudinal lift-stabilizer for airplane
NL23C
(en )
1913-08-01
Method for drawing tungsten wire
NL1C
(en )
1913-05-07
Process for preparing double salts of morphine and narkotine for therapeutic use
NL9C
(en )
1913-07-01
Method of marking cheese
NL99C
(en )
1914-01-15
Process for the preparation of alpha-butadiene and its derivatives
NL124C
(en )
1914-03-02
Method for preserving and at the same time making wood difficult to ignite
NL559C
(en )
1915-03-01
Method for telephotography