CH50544A
(en )
1911-06-01
Process for the production of sole leather and upper leather
CH51959A
(en )
1911-10-02
Process for the production of artificial sole leather and similar products
CH58394A
(en )
1913-03-17
Process for the production of footwear and footwear produced by this process
CH56851A
(en )
1912-12-02
Process for the production of shoe polish
CH51815A
(en )
1911-09-16
Process for the manufacture of shaped articles
CH65117A
(en )
1914-06-01
Method and device for the production of footwear soles
CH65547A
(en )
1914-06-16
Process for the production of leather fats
CH56855A
(en )
1912-11-16
Process for the production of artificial leather
CH53335A
(en )
1912-02-01
Process for the production of hydroquinine
CH73105A
(en )
1916-08-16
Process for the production of leather substitutes
CH48460A
(en )
1910-10-17
Process for the production of decorative seams
CH68668A
(en )
1915-04-01
Process for the production of artificial sole leather
CH52279A
(en )
1911-11-01
Process for the production of tannin extracts
CH52190A
(en )
1911-11-01
Process for the production of oxygen baths
CH52509A
(en )
Process for the production of oxygen baths
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
CH46175A
(en )
1910-02-01
Process for the manufacture of footwear
CH51422A
(en )
1911-09-01
Process for the production of over-spun buttons
CH70142A
(en )
1915-09-01
Process for the production of footwear heels
CH66508A
(en )
1914-09-16
Process for the production of shoe wax
CH43248A
(en )
1909-04-16
Process for the production of foot perspiration ointment
AT54035B
(en )
1912-06-25
Process for the production of strips of fastening pins.
CH61689A
(en )
1913-10-01
Process for the production of elastic toe caps for shoes and boots
CH54174A
(en )
1912-05-01
Process for the manufacture of pliable electrolyte iron