CH82428A
(en )
1919-10-01
Steam burner device for the production of double-distilled and chilled alcohol
CH82935A
(en )
1919-11-01
Device for the production of moldings
Crocker
1919
Effect of Illuminating Gas on Plants
CH81594A
(en )
1919-06-16
Pan-like device for making Knöpfli
FR535291A
(en )
1922-04-12
Geometry and drawing instrument
FR526946A
(en )
1921-10-15
Rescue apparatus in case of fire
FR520317A
(en )
1921-06-23
Economical and protective burner for candles
FR526179A
(en )
1921-10-03
Advanced device for the production of air gas
CA199727A
(en )
1920-05-04
Temperature interchange apparatus
CH77533A
(en )
1918-05-01
Distillery equipment for the production of double distilled and chilled alcohol
FR498207A
(en )
1920-01-06
Simplified cross-doors and cross-doors
FR507510A
(en )
1920-09-17
Removable rim
ES77708A1
(en )
1921-06-01
Procedure and apparatus for production of mixed gas consisting of distillation gas and water gas.
CH100241A
(en )
1923-07-16
Device for the production of hollow bodies.
CA210671A
(en )
1921-04-19
Means of promoting combustion
FR496301A
(en )
1919-11-04
Folding and removable sideboard
FR539838A
(en )
1922-07-01
Improvement and simplification of the relief photography process
FR502952A
(en )
1920-05-31
Economical production and use of cold
FR21971E
(en )
1921-04-21
Economical production and use of cold
FR515806A
(en )
1921-04-07
Air vessel
FR521302A
(en )
1921-07-09
Combustion regulator
FR531329A
(en )
1922-01-11
Actuation and guidance of oscillating saws
AT89482B
(en )
1922-09-25
Device for facilitating the starting of internal combustion engines.
FR507287A
(en )
1920-09-09
Apparatus for the manufacture of perforated agglomerated fuels
FR502493A
(en )
1920-05-15
Removable spark plug