FR519528A
(en )
1921-06-11
Process for the production of economical soaps
CH81578A
(en )
1919-11-17
Manufacturing process of a combustible tablet
FR499035A
(en )
1920-01-29
Manufacturing process of a combustible tablet
FR513143A
(en )
1921-02-08
Manufacturing process of hinges
FR494393A
(en )
1919-09-06
Chain-gimp manufacturing process
FR503048A
(en )
1920-06-01
Manufacturing process of combustible briquettes
FR513671A
(en )
1921-02-21
Process for the production of ferro-tungsten
FR494921A
(en )
1919-09-24
Bolt manufacturing process
FR490498A
(en )
1919-04-24
Manufacturing process for chlorinated hydrocarbons
FR495578A
(en )
1919-10-11
Process for the manufacture of superphosphates
FR532987A
(en )
1922-02-16
Manufacturing process of disodium perborates and perphosphates
FR492144A
(en )
1919-06-28
Galoshes manufacturing process
FR488762A
(en )
1918-11-14
Azide production process
FR499451A
(en )
1920-02-12
Chlorohydrin manufacturing process
FR493622A
(en )
1919-08-14
Method of manufacturing a fuel from coal dust
CH78069A
(en )
1918-11-01
Process for manufacturing a combustible chipboard
FR504814A
(en )
1920-07-17
Manufacturing process of dichlorinated ethyl sulfide
FR506281A
(en )
1920-08-18
Continuous manufacturing process for acetone
FR517695A
(en )
1921-05-10
Process for the manufacture of a compound fertilizer
CH81956A
(en )
1919-08-01
Lighting process
FR499906A
(en )
1920-02-26
Ferro-titanium manufacturing process
FR494265A
(en )
1919-09-04
Footwear manufacturing process
FR518598A
(en )
1921-05-27
Manufacturing process for hollowed-out trees
FR489033A
(en )
1918-12-07
Production process for ethers-salts
CH79074A
(en )
1919-02-01
Dial and process for its manufacture