CH81135A
(en )
1919-05-01
Manufacturing process of a product intended to replace leather
FR520702A
(en )
1921-06-29
A process for the manufacture of a glassy plastic substance, similar to porcelain. for ceramics
CH81449A
(en )
1919-06-16
Process for the manufacture of a product which can replace leather
CH245076A
(en )
1946-10-31
A method of manufacturing a product intended to replace leather.
FR492628A
(en )
1919-07-12
Process for manufacturing a product that can replace linoleum
FR519080A
(en )
1921-06-04
Refrigeration product and process
CH72945A
(en )
1916-07-17
Process for the manufacture of a product capable of replacing leather
FR438157A
(en )
1912-05-09
Process for the production of chrome leather
FR504814A
(en )
1920-07-17
Manufacturing process of dichlorinated ethyl sulfide
FR468287A
(en )
1914-07-02
Manufacturing process of artificial leather for soles
FR507657A
(en )
1920-09-21
Leather substitute and manufacturing process
FR433281A
(en )
1911-12-29
Process for the production of artificial leather
FR494811A
(en )
1919-09-19
Product suitable for use as a substitute for leather, or for other suitable uses, and its manufacturing process
FR418494A
(en )
1910-12-10
Process for the production of artificial leather
FR499005A
(en )
1920-01-29
Process and machine for the manufacture of return shoes
CH57059A
(en )
1912-12-16
Process for the manufacture of a leather substitute
CH79355A
(en )
1919-04-01
Manufacturing process of a caliper
FR494246A
(en )
1919-09-03
Process for the manufacture of a ketone product
FR19496E
(en )
1915-02-11
Manufacturing process of leather and similar products
FR488995A
(en )
1918-12-03
Process for the production of artificial leather
FR390922A
(en )
1908-10-17
Process for the manufacture of a product intended to replace leather
FR480809A
(en )
1916-09-28
Manufacturing process of artificial leather
FR380940A
(en )
1907-12-21
Manufacturing process of a product intended to replace leather
FR480433A
(en )
1916-08-03
Process for the manufacture of a leather-like product
FR519113A
(en )
1921-06-04
Process for hardening the surface of patent leather