CH41251A
(en )
1908-10-01
Process for the production of permanent roofing felt
CH42842A
(en )
1909-03-01
Process for the production of seamless tramways
CH45108A
(en )
1909-10-16
Process for the production of picture frames
CH44584A
(en )
1909-09-01
Process for the production of insulating pipes
CH45967A
(en )
1910-01-17
Process for the production of tetrabromocatechol bismuth
CH46175A
(en )
1910-02-01
Process for the manufacture of footwear
CH40980A
(en )
1908-09-01
Process for the production of artificial leather
CH45307A
(en )
1909-11-01
Process for the manufacture of shoe caps
CH40642A
(en )
1908-08-01
Process for making soap
AT46647B
(en )
1911-02-25
Process for the production of cementitious binders.
CH48552A
(en )
1910-11-01
Process for the production of allophanoic acid antalole ester
CH43322A
(en )
1909-04-16
Process for the production of artificial leather
CH44653A
(en )
1909-09-01
Process for the production of hard alcohol
CH43589A
(en )
1909-05-17
Process for the production of wood briquettes
CH51422A
(en )
1911-09-01
Process for the production of over-spun buttons
CH42735A
(en )
1909-02-16
Process for the production of weatherproof whitewash
CH47250A
(en )
1910-06-01
Method of making embroidery
CH45640A
(en )
1909-12-01
Process for the production of water glass paints
CH43378A
(en )
1909-05-01
Process for the production of accumulator electrodes
CH43864A
(en )
1909-06-16
Process for manufacturing components
CH43248A
(en )
1909-04-16
Process for the production of foot perspiration ointment
CH41567A
(en )
1908-11-02
Process for making durable roof cladding material
CH44994A
(en )
1909-10-01
Process for making low-coffee coffee
CH45474A
(en )
1909-11-16
Method for the manufacture of woven hats
CH43474A
(en )
1909-05-17
Process for the production of aluminum nitride