CH79355A
(en )
1919-04-01
Manufacturing process of a caliper
FR500267A
(en )
1920-03-06
Manufacturing process for tubes with a polygonal section
FR517695A
(en )
1921-05-10
Process for the manufacture of a compound fertilizer
FR506281A
(en )
1920-08-18
Continuous manufacturing process for acetone
FR21706E
(en )
1921-01-12
Process for manufacturing core ballistites
FR504691A
(en )
1920-07-12
Process for manufacturing core ballistites
FR526968A
(en )
1921-10-17
Process for the manufacture of resin-like substances
FR492628A
(en )
1919-07-12
Process for manufacturing a product that can replace linoleum
CH81151A
(en )
1919-10-16
Process for manufacturing a weld
FR502892A
(en )
1920-05-28
Special steel manufacturing process
FR524751A
(en )
1921-09-10
Process for the manufacture of cartridge cases
FR494393A
(en )
1919-09-06
Chain-gimp manufacturing process
FR490498A
(en )
1919-04-24
Manufacturing process for chlorinated hydrocarbons
FR510382A
(en )
1920-12-03
Footwear making improvements
CH81578A
(en )
1919-11-17
Manufacturing process of a combustible tablet
FR491829A
(en )
1919-06-19
Process for the production of pulp
FR493406A
(en )
1919-08-08
Martin steel manufacturing process
FR504330A
(en )
1920-06-30
Ultralight armor manufacturing process
FR517854A
(en )
1921-05-14
A method of manufacturing a rollable floor covering
FR520542A
(en )
1921-06-27
Manufacturing process for anthraquinone derivatives
FR489037A
(en )
1918-12-07
Process for manufacturing cellulose acetate based coatings
FR494226A
(en )
1919-09-03
Manufacturing process for alloys with a high lead content
FR494921A
(en )
1919-09-24
Bolt manufacturing process
FR518100A
(en )
1921-05-19
Manufacturing process for resinous products
FR518579A
(en )
1921-05-27
Process for manufacturing a nitric superphosphate-based fertilizer