CH57550A
(en )
1913-01-16
Method for hardening and waterproofing animal hides
CH75130A
(en )
1917-06-01
Method and device for cleaning animals
FR432696A
(en )
1911-12-12
Processes for hardening and waterproofing animal skins
AT57953B
(en )
1913-02-25
Method and device for dry quenching of quicklime.
CH59429A
(en )
1913-05-02
Process for tanning animal hides
CH64853A
(en )
1914-05-01
Process for tanning animal hides
CH66045A
(en )
1914-08-01
Process for tanning animal hides
CH59169A
(en )
1913-05-02
Process for tanning rabbit fur
CH63135A
(en )
1914-01-16
Method and device for tanning hides and skins
CH74220A
(en )
1917-02-16
Method and device for washing grain
CH61744A
(en )
1913-10-16
Process for hardening metals
CH65141A
(en )
1914-10-16
Method of pickling hides and skins
CH57094A
(en )
1912-12-16
Process for case hardening iron and steel objects
CH71694A
(en )
1916-02-01
Process for soaking hides and skins
CH74442A
(en )
1917-06-16
Method and device for homogenizing
CH57775A
(en )
1913-02-01
Process for dehairing and cleaning hides and skins
CH58392A
(en )
1913-03-01
Method of waterproofing hats
CH69515A
(en )
1915-07-01
Method and device for decorating leather
CH58178A
(en )
1913-02-17
Method and device for keeping mustard fresh
CH62831A
(en )
1913-12-16
Method and apparatus for finishing the edges of pieces of leather
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
CH62746A
(en )
1913-12-16
Method and device for tying sheaves
CH68606A
(en )
1915-04-01
Method for hardening cotton oil