CH51919A
(en )
1911-10-02
Apparatus for making incisions in chestnuts
CH58178A
(en )
1913-02-17
Method and device for keeping mustard fresh
CH57523A
(en )
1913-01-16
Apparatus for making clear coffee beverages
CH69005A
(en )
1915-05-17
Method and apparatus for producing blueprints
CH54908A
(en )
1912-07-01
Apparatus for making frozen food
CH69139A
(en )
1915-06-01
Method and device for the production of briquettes from paper and other organic materials
CH56841A
(en )
1912-11-16
Method for the representation of pinacon
CH54686A
(en )
1912-06-01
Method for the representation of pinacon
CH55670A
(en )
1912-09-02
Method for the representation of pinacon
CH55750A
(en )
1912-09-02
Method and device for cleaning raw table salt
CH55943A
(en )
1912-09-16
Process for clarifying and disinfecting water
CH74730A
(en )
1917-04-02
Device for making ropes
CH75652A
(en )
1918-02-01
Device for making butter
CH54324A
(en )
1912-05-17
Process for the representation of erythrene
CH58670A
(en )
1913-03-17
Process for the representation of erythrene
CH57770A
(en )
1913-02-01
Process for the preparation of b-b-dianthraquinonyl sulfide
CH68991A
(en )
1915-05-17
Process and apparatus for the production of black lead
CH75602A
(en )
1918-04-01
Apparatus for stamping control cards
CH66614A
(en )
1914-09-16
Apparatus for controlling consumption
CH54978A
(en )
1912-07-01
Apparatus for finishing cement pipe ends
CH57643A
(en )
1913-01-16
Apparatus for disinfecting the vagina of animals
CH57549A
(en )
1913-01-16
Firelighter and method and machine for making the same
CH54274A
(en )
1912-05-17
Method and device for the production of mica sheets
CH57983A
(en )
1913-02-17
Process for the preparation of tetranitroaniline
CH58410A
(en )
1913-03-01
Process for the preparation of tetraethylglycol