CH66888A
(en )
1914-10-16
Method of spraying barrels
CH68864A
(en )
1915-05-01
Method of painting
CH62658A
(en )
1913-12-16
Method of making fire boxes
CH60464A
(en )
1913-07-16
Method of painting glass
CH56096A
(en )
1912-10-01
Process for cleaning metal objects
CH67673A
(en )
1915-01-02
Method of packing
CH54192A
(en )
1912-05-01
Process for cleaning buildings
CH68605A
(en )
1915-04-01
Method of hardening linseed oil
CH58706A
(en )
1913-04-01
Device for cleaning the barrels of handguns
CH59512A
(en )
1913-05-16
Process for the preservation of electrolytic capacitors
CH61416A
(en )
1913-09-16
Process for evaporation of liquids
CH74126A
(en )
1917-01-16
Process for evaporation of liquids
CH66774A
(en )
1914-10-01
Process for cleaning metals
CH54667A
(en )
1912-06-17
Method of depositing tissue
CH54321A
(en )
1912-05-17
Method of cleaning table salt
CH54686A
(en )
1912-06-01
Method for the representation of pinacon
CH55670A
(en )
1912-09-02
Method for the representation of pinacon
CH56841A
(en )
1912-11-16
Method for the representation of pinacon
CH64302A
(en )
1914-03-16
Method for sealing vessels
CH61641A
(en )
1913-10-01
Method of joining rails
CH67012A
(en )
1914-11-02
Process for decarburizing metals
CH69710A
(en )
1915-07-16
Method of filling vessels
CH64235A
(en )
1914-03-16
Process for the production of nitrogen
CH67705A
(en )
1915-01-02
Process for the production of nitrogen
CH68919A
(en )
1915-05-01
Process for the production of nitrogen