FR501500A
(en )
1920-04-15
Apparatus for the production of ethers
CH51150A
(en )
1911-08-01
Apparatus for the electrolytic preparation of sodium
FR412631A
(en )
1910-07-18
Electrolytic apparatus for the preparation of soduim
FR426036A
(en )
1911-06-26
Apparatus for the distillation of mercury
FR429869A
(en )
1911-10-03
Mercury cathode apparatus for the electrolysis of alkali chlorides
FR415820A
(en )
1910-10-05
Apparatus for cooking crushed gypsum
FR476719A
(en )
1915-08-26
Process for the preparation of dry milk
FR431291A
(en )
1911-11-07
Subaqueous intestinal bath apparatus
CH69173A
(en )
1915-06-01
Apparatus for preparing vinegar
FR477964A
(en )
1915-11-18
Apparatus for the production of sodium carbonate
FR449813A
(en )
1913-03-08
Apparatus for the production of x-rays
FR427231A
(en )
1911-07-29
Patient mattress
FR428134A
(en )
1911-08-23
Advanced device for removing the shell of an egg
CH69026A
(en )
1915-05-17
Apparatus for the electrolytic manufacture of sodium and other alkali metals
FR438451A
(en )
1912-05-18
Apparatus for calculating interest
FR422799A
(en )
1911-03-30
Device for the instantaneous production of steam
FR16846E
(en )
1913-04-28
Apparatus for the preparation of dental cavities
FR449281A
(en )
1913-02-22
Apparatus for the preparation of dental cavities
FR432565A
(en )
1911-12-09
Device for artificial respiration
FR421428A
(en )
1911-02-22
Apparatus for concentration of ores
CH51806A
(en )
1911-10-02
Advanced device for the aterilization of liquids
FR422572A
(en )
1911-03-24
Improvements to devices for the projection of moving pictures
FR430016A
(en )
1911-10-06
Process for the preparation of gelatin
FR490319A
(en )
1919-04-17
Concrete preparation apparatus
FR422213A
(en )
1911-03-16
Apparatus for the gasification of liquids