CH75471A
(en )
1917-12-17
Process for the production of mountain shoe nails
CH75470A
(en )
1918-01-02
Process for the production of mountain shoe nails
CH72948A
(en )
1916-08-01
Process for the production of reversible shoes
CH70142A
(en )
1915-09-01
Process for the production of footwear heels
CH56851A
(en )
1912-12-02
Process for the production of shoe polish
CH60521A
(en )
1913-07-16
Process for the manufacture of footwear
CH77654A
(en )
1918-05-01
Process for the manufacture of shoe uppers
CH66508A
(en )
1914-09-16
Process for the production of shoe wax
CH77919A
(en )
1918-06-01
Process for the production of footwear running parts
CH56351A
(en )
1912-11-01
Process for the manufacture of footwear with an insole
CH68668A
(en )
1915-04-01
Process for the production of artificial sole leather
CH67004A
(en )
1914-11-02
Process for the manufacture of explosives
CH73105A
(en )
1916-08-16
Process for the production of leather substitutes
CH78372A
(en )
1918-07-16
Process for the manufacture of stamps
CH55542A
(en )
1912-08-16
Process for the preparation of allophanoic acid chloride
CH72824A
(en )
1916-07-01
Process for the production of nitrogen compounds
CH77112A
(en )
1918-03-01
Process for making shoes
CH72628A
(en )
1916-06-16
Process for the production of antimonies
CH75450A
(en )
1917-08-01
Process for the production of floor wax
CH68920A
(en )
1915-05-01
Process for the production of artificial leather
CH65532A
(en )
1914-06-16
Method of making shoes with the help of lasts
CH78129A
(en )
1918-11-01
Process for the machine production of ridge cap nails
CH54334A
(en )
1912-05-17
Process for the production of synthetic wood
CH74792A
(en )
1917-04-16
Process for the production of tungsten wires
CH65547A
(en )
1914-06-16
Process for the production of leather fats