CH65117A
(en )
1914-06-01
Method and device for the production of footwear soles
CH56351A
(en )
1912-11-01
Process for the manufacture of footwear with an insole
CH66508A
(en )
1914-09-16
Process for the production of shoe wax
CH70142A
(en )
1915-09-01
Process for the production of footwear heels
CH58394A
(en )
1913-03-17
Process for the production of footwear and footwear produced by this process
CH76823A
(en )
1918-02-01
Method and device for the production of shoe protectors
CH50544A
(en )
1911-06-01
Process for the production of sole leather and upper leather
CH72948A
(en )
1916-08-01
Process for the production of reversible shoes
CH68668A
(en )
1915-04-01
Process for the production of artificial sole leather
CH60521A
(en )
1913-07-16
Process for the manufacture of footwear
CH65547A
(en )
1914-06-16
Process for the production of leather fats
CH64917A
(en )
1914-05-01
Process and machine for the manufacture of footwear
CH68822A
(en )
1915-04-16
Process and machine for the manufacture of footwear
CH59100A
(en )
1913-04-16
Device for the production of artificial stones
CH61689A
(en )
1913-10-01
Process for the production of elastic toe caps for shoes and boots
CH57594A
(en )
1913-01-16
Method and device for the production of reliefs
CH55542A
(en )
1912-08-16
Process for the preparation of allophanoic acid chloride
CH67258A
(en )
1914-11-16
Process for the production of artificial sponge
CH56851A
(en )
1912-12-02
Process for the production of shoe polish
CH51959A
(en )
1911-10-02
Process for the production of artificial sole leather and similar products
CH62851A
(en )
1913-12-16
Process and device for the production of white lead
CH55865A
(en )
1912-09-16
Process for the production of rollable plaster bases
AT82964B
(en )
1921-02-25
Method and device for the production of hop extracts.
AT63631B
(en )
1914-02-25
Method and device for the production of glass rings.
CH63366A
(en )
1914-02-02
Process for the light treatment of patent leather