CH62831A
(en )
1913-12-16
Method and apparatus for finishing the edges of pieces of leather
CH65141A
(en )
1914-10-16
Method of pickling hides and skins
CH69515A
(en )
1915-07-01
Method and device for decorating leather
CH72924A
(en )
1916-07-17
Method and apparatus for mixing sludge
CH71694A
(en )
1916-02-01
Process for soaking hides and skins
CH63135A
(en )
1914-01-16
Method and device for tanning hides and skins
CH62342A
(en )
1913-11-17
Method and apparatus for vaporizing liquids
CH74220A
(en )
1917-02-16
Method and device for washing grain
CH66514A
(en )
1914-09-16
Method and apparatus for treating water for the purpose of preventing scale formation
CH75130A
(en )
1917-06-01
Method and device for cleaning animals
CH72381A
(en )
1916-05-01
Process for pickling pelts
CH61091A
(en )
1913-09-01
Method and apparatus for eliminating the influence of inertia on selenium cells
AT68041B
(en )
1915-02-25
Process and device for deoxidizing or finishing mild steel.
CH61499A
(en )
1913-10-01
Method and device for drying material
CH74442A
(en )
1917-06-16
Method and device for homogenizing
CH71200A
(en )
1915-12-01
Method and apparatus for printing patterns
CH61404A
(en )
1913-09-16
Method and device for sorting regrind
CH61927A
(en )
1913-10-16
Method of tanning hides with the help of iron salts
CH70239A
(en )
1915-09-01
Method and apparatus for breaking coconuts and the like
CH61744A
(en )
1913-10-16
Process for hardening metals
CH57775A
(en )
1913-02-01
Process for dehairing and cleaning hides and skins
CH57094A
(en )
1912-12-16
Process for case hardening iron and steel objects
CH77117A
(en )
1918-03-01
Method for drying patent leather
CH77378A
(en )
1918-04-01
Method for drying patent leather
CH61745A
(en )
1913-10-16
Apparatus for hardening metals in places