CH47250A
(en )
1910-06-01
Method of making embroidery
CH45853A
(en )
1910-01-03
Method of making masts
CH40642A
(en )
1908-08-01
Process for making soap
CH43864A
(en )
1909-06-16
Process for manufacturing components
CH45108A
(en )
1909-10-16
Process for the production of picture frames
CH44994A
(en )
1909-10-01
Process for making low-coffee coffee
CH41251A
(en )
1908-10-01
Process for the production of permanent roofing felt
CH55682A
(en )
1912-09-02
Method of representing dibromoindigo
CH45474A
(en )
1909-11-16
Method for the manufacture of woven hats
CH45967A
(en )
1910-01-17
Process for the production of tetrabromocatechol bismuth
CH40980A
(en )
1908-09-01
Process for the production of artificial leather
CH46175A
(en )
1910-02-01
Process for the manufacture of footwear
CH40999A
(en )
1908-09-16
Process for the representation of tribromoindigo
CH41717A
(en )
1908-11-16
Process for the representation of tribromoindigo
CH45323A
(en )
1909-11-01
Process for the representation of tribromoindigo
CH47517A
(en )
1910-07-01
Process for the representation of tribromoindigo
CH48419A
(en )
1910-10-17
Process for the representation of tribromoindigo
CH45307A
(en )
1909-11-01
Process for the manufacture of shoe caps
CH44434A
(en )
1909-08-02
Process for the preparation of tribromoacetylsalicylic acid
CH49835A
(en )
1911-04-01
Method for the representation of hexabromoindigo
CH40993A
(en )
1908-09-01
Process for the production of camphor
CH43322A
(en )
1909-04-16
Process for the production of artificial leather
CH43299A
(en )
1909-04-16
Process for the manufacture of horsehair brushes
CH44653A
(en )
1909-09-01
Process for the production of hard alcohol
CH41264A
(en )
1908-10-01
Process for the preparation of CC-Diaethyliminobarbituräure