FR498327A
(en )
1920-01-08
Method and apparatus for separating, by evaporation, a salt from the solution which contains it
CH86861A
(en )
1920-10-16
Mechanism for removing cartridges from magazines.
CH81609A
(en )
1919-11-01
Method and apparatus for separating, by evaporation, a salt from the solution which contains it
CH79799A
(en )
1919-05-01
Method and apparatus for separating, by evaporation, a salt from the solution which contains it
CH56837A
(en )
1912-12-16
Apparatus intended to separate by evaporation a salt from the solution which contains it
CH80919A
(en )
1919-04-16
Device for holding sheaves
FR500549A
(en )
1920-03-16
Apparatus for shelling textiles
ES68323A1
(en )
1919-03-01
An apparatus for the recovery of tin from tinplate.
ES67218A1
(en )
1918-07-16
A method for the refining of tin or its separation from any other metals.
DK23328C
(en )
1918-08-05
Device for Cinematographic Apparatus.
FR498286A
(en )
1920-01-07
Method and apparatus for the recovery of solvents
FR490606A
(en )
1919-05-01
Method and apparatus for assembling metal tubes
FR21104E
(en )
1920-05-20
Method and apparatus for assembling metal tubes
FR498288A
(en )
1920-01-07
Process for the recovery of solvents
FR489141A
(en )
1918-12-20
Method and apparatus for extracting oil from seeds, beans, nuts, seed, etc.
CH79964A
(en )
1919-01-16
Device for collecting matches from match machines
ES70130A1
(en )
1919-07-16
An apparatus for extracting metals from their ores.
FR489332A
(en )
1919-01-22
Method and apparatus for dehydrating vegetables, fruits and the like
FR500567A
(en )
1920-03-17
Apparatus for boxing matches in fully automatic match machines
FR491916A
(en )
1919-06-23
Apparatus for bleaching ceilings
CH83107A
(en )
1919-11-17
Device for cutting open cans
FR506494A
(en )
1920-08-23
Method for launching jerk gutters
CH82292A
(en )
1919-09-16
Method and apparatus for sharpening files and the like by corrosion
CH79156A
(en )
1918-10-16
Device for pulling out bottle corks
FR477154A
(en )
1915-09-29
Device for peeling, by the dry method, fruits with a fleshy shell, containing fat