CH67393A
(en )
1914-12-01
Method of making fire lighters
CH56995A
(en )
1912-12-02
Method of making fire lighters
CH62289A
(en )
1913-11-17
Method of making briquettes
CH60924A
(en )
1913-08-16
Method of making fireplace hats
CH62000A
(en )
1913-11-01
Method of making fire boxes
CH66971A
(en )
1914-10-16
Method of making briquettes
CH54092A
(en )
1912-05-01
process for the manufacture of fire starters
CH65476A
(en )
1914-06-16
Method of making blankets
CH73900A
(en )
1916-12-01
Method of making briquettes
CH55452A
(en )
1912-08-16
Method of making bells
CH57230A
(en )
1913-01-02
Method of making briquettes
CH67729A
(en )
1915-04-16
Method of making plastering mortar
CH67004A
(en )
1914-11-02
Process for the manufacture of explosives
CH62147A
(en )
1913-11-01
Method of making table set
CH68153A
(en )
1915-02-16
Process for the production of fuel
CH73269A
(en )
1917-02-16
Method of making briquettes
CH75009A
(en )
1917-05-16
Method of making briquettes
CH55309A
(en )
1912-08-01
Method of building iron-reinforced walls
CH56237A
(en )
1912-10-16
Method of making wadding
CH56981A
(en )
1912-12-02
Method of making vaults
CH59427A
(en )
1913-05-02
Process for the production of fragrant mineral oil fractions
CH62140A
(en )
1913-11-01
Process for the manufacture of explosives
CH63133A
(en )
1914-01-02
Process for the manufacture of explosives
CH55389A
(en )
1912-08-16
Process for the production of cartridge cases
CH77801A
(en )
1918-06-01
Method of making caramel