CH43322A
(en )
1909-04-16
Process for the production of artificial leather
CH40980A
(en )
1908-09-01
Process for the production of artificial leather
CH56855A
(en )
1912-11-16
Process for the production of artificial leather
CH46175A
(en )
1910-02-01
Process for the manufacture of footwear
CH41251A
(en )
1908-10-01
Process for the production of permanent roofing felt
AT23590B
(en )
1906-03-26
Process for the production of artificial stones.
CH45307A
(en )
1909-11-01
Process for the manufacture of shoe caps
AT41185B
(en )
1910-02-25
Process for the production of artificial marble.
CH45967A
(en )
1910-01-17
Process for the production of tetrabromocatechol bismuth
CH45947A
(en )
1910-01-17
Process for the manufacture of rope belts
CH42842A
(en )
1909-03-01
Process for the production of seamless tramways
CH71810A
(en )
1916-02-16
Process for the production of artificial leather
CH42533A
(en )
1909-02-01
Process for the manufacture of a leather substitute
CH40642A
(en )
1908-08-01
Process for making soap
CH43426A
(en )
1909-05-01
Process for the production of artificial stone
CH45474A
(en )
1909-11-16
Method for the manufacture of woven hats
CH46039A
(en )
1910-01-17
Process for the production of artificial cryolite from fluorspar
CH43248A
(en )
1909-04-16
Process for the production of foot perspiration ointment
CH43378A
(en )
1909-05-01
Process for the production of accumulator electrodes
CH43589A
(en )
1909-05-17
Process for the production of wood briquettes
CH45901A
(en )
1910-01-03
Process for the production of ornamented stuff
AT23151B
(en )
1906-02-26
Process for the production of non-flammable celluloid.
CH43475A
(en )
1909-05-17
Process for the production of slowly burning flares
CH47250A
(en )
1910-06-01
Method of making embroidery
CH66043A
(en )
1914-08-01
Process for the production of leather