CH77112A
(en )
1918-03-01
Process for making shoes
AT80091B
(en )
1920-02-25
Process for the preparation of caramel. Process for the preparation of caramel.
CH77654A
(en )
1918-05-01
Process for the manufacture of shoe uppers
CH76930A
(en )
1918-02-16
Method of making slippers
CH77919A
(en )
1918-06-01
Process for the production of footwear running parts
CH76586A
(en )
1918-01-16
Process for the production of cork boards
CH75980A
(en )
1918-03-16
Process for the production of artificial leather
CH77381A
(en )
1918-09-02
Process for the production of artificial leather
CH77110A
(en )
1918-08-01
Process for the production of artificial leather
CH77220A
(en )
1918-03-16
Method of making briquettes
CH72948A
(en )
1916-08-01
Process for the production of reversible shoes
CH81317A
(en )
1919-06-02
Process for the production of leather
AT98925B
(en )
1924-12-27
Process for the manufacture of cartridge cases.
AT91349B
(en )
1923-02-26
Process for the production of leather.
CH80235A
(en )
1919-07-01
Process for the production of shoe wax
CH76592A
(en )
1918-01-16
Process for the production of fittings
CH76373A
(en )
1917-12-01
Process for the preparation of glycolyl-p-phenetidide
CH75875A
(en )
1917-10-01
Process for the production of potassium persulfate
CH78070A
(en )
1918-11-01
Method of making briquettes
CH77094A
(en )
1918-03-01
Method of making briquettes
CH75029A
(en )
1917-05-16
Method of making briquettes
CH75534A
(en )
1917-08-01
Process for the production of etched figures
CH76779A
(en )
1918-02-01
Process for the production of pressed briquettes
CH78372A
(en )
1918-07-16
Process for the manufacture of stamps
CH76979A
(en )
1918-03-01
Process for making ice cream