NL271C
(en )
1914-06-15
Improvement of a method for preparing percussion ashes
NL1220C
(en )
1916-05-15
Improvement of a method for the production of securities
NL523C
(en )
1915-02-15
Process for preparing beta-methyl-gamma-oxybutyldimethylamine
NL399C
(en )
1916-10-16
Improvement of a method of producing securities
NL1725C
(en )
1916-11-15
Improvement of a method for burning garbage
NL866C
(en )
1916-12-15
Improvement of a gas generator
FR444725A
(en )
1912-10-24
Explosives upgrades
FR432523A
(en )
1911-12-08
Pneumatic well
FR438410A
(en )
1912-05-17
Expandable Bolt Improvements
ES50495A1
(en )
1911-08-16
A procedure for preparing charges of explosives.
FR436344A
(en )
1912-03-25
Template set
NL553C
(en )
1915-03-01
Sound box for speaking machines
FR434946A
(en )
1912-02-16
Improvements to perforators
NL1120C
(en )
1916-02-15
Improvement of a method for the preparation of superior sugar
CH58475A
(en )
1913-03-17
Tobacco pipe
CH67673A
(en )
1915-01-02
Method of packing
ES48804A1
(en )
1910-11-01
A procedure of potash alloys.
CH56538A
(en )
1912-11-01
Burnout cavity for gas retorts
NL382C
(en )
1914-10-15
Process for the preparation of erythrene
NL1476C
(en )
1916-08-01
Method for the preparation of cellulose derivatives
NL546C
(en )
1915-12-15
Improvement of a method for the preparation of whitewash
NL349C
(en )
1914-10-01
Improvement of a process for preparing white lead
NL559C
(en )
1915-03-01
Method for telephotography
NL573C
(en )
1915-04-01
Improvement of the method for the production of letter envelopes
CH56781A
(en )
1912-11-16
Plastering machine for pipes