CH62000A
(en )
1913-11-01
Method of making fire boxes
CH55452A
(en )
1912-08-16
Method of making bells
CH60924A
(en )
1913-08-16
Method of making fireplace hats
CH55309A
(en )
1912-08-01
Method of building iron-reinforced walls
CH62147A
(en )
1913-11-01
Method of making table set
CH62289A
(en )
1913-11-17
Method of making briquettes
CH67393A
(en )
1914-12-01
Method of making fire lighters
CH73900A
(en )
1916-12-01
Method of making briquettes
CH63602A
(en )
1914-02-02
Process for the production of cartridge cases
CH56995A
(en )
1912-12-02
Method of making fire lighters
CH62140A
(en )
1913-11-01
Process for the manufacture of explosives
CH63133A
(en )
1914-01-02
Process for the manufacture of explosives
CH58641A
(en )
1913-03-17
Method of making embroidery
CH61392A
(en )
1913-09-16
Method of making embroidery
CH61705A
(en )
1913-10-16
Process for the preparation of glycerol stearate
CH57230A
(en )
1913-01-02
Method of making briquettes
CH61694A
(en )
1913-10-16
Method of obtaining nicotine
CH66971A
(en )
1914-10-16
Method of making briquettes
CH61698A
(en )
1913-10-16
Process for the preparation of ß-acetyltrimethylenetetramethyldiamine
CH55389A
(en )
1912-08-16
Process for the production of cartridge cases
CH56981A
(en )
1912-12-02
Method of making vaults
CH55670A
(en )
1912-09-02
Method for the representation of pinacon
CH54686A
(en )
1912-06-01
Method for the representation of pinacon
CH56841A
(en )
1912-11-16
Method for the representation of pinacon
CH61916A
(en )
1913-10-16
Process for the representation of erythrene