CH59350A
(en )
1913-05-02
Heating method
CH69426A
(en )
1915-06-16
Method of preserving a platinum colloidal solution
CH69889A
(en )
1915-08-02
Method of preserving a colloidal silver solution
CH68527A
(en )
1915-03-16
Method of preserving a colloidal gold solution
CH68864A
(en )
1915-05-01
Method of painting
CH62658A
(en )
1913-12-16
Method of making fire boxes
CH69253A
(en )
1915-06-01
Method of wrapping objects
CH69710A
(en )
1915-07-16
Method of filling vessels
CH77658A
(en )
1918-05-16
Method of preserving food
CH67673A
(en )
1915-01-02
Method of packing
CH58675A
(en )
1913-03-17
Process for the preservation of a diazotized nitroaniline solution
CH70005A
(en )
1915-08-16
Method for achieving good cooperation between gears
CH69340A
(en )
1915-06-16
Process for the preparation of a chroming dye for wool
CH61916A
(en )
1913-10-16
Process for the representation of erythrene
CH61416A
(en )
1913-09-16
Process for evaporation of liquids
CH60976A
(en )
1913-09-01
Process for bleaching flour
CH62727A
(en )
1913-12-01
method for the preparation of quinizarin
CH64827A
(en )
1914-05-01
Method for the preparation of b-g-dimethylerythrene
CH61641A
(en )
1913-10-01
Method of joining rails
CH63171A
(en )
1914-01-02
Device for mechanical reading of calculated values
CH68606A
(en )
1915-04-01
Method for hardening cotton oil
CH54667A
(en )
1912-06-17
Method of depositing tissue
CH68403A
(en )
1915-03-16
Process for the preparation of bromo diethylacetylcarbamide
AT89325B
(en )
1922-09-11
Process for coloring metal surfaces.
CH64302A
(en )
1914-03-16
Method for sealing vessels