CH31441A
(en )
1905-04-15
Device for producing a gas-air mixture
CH38227A
(en )
1907-09-15
Device for producing a constant gas-air mixture
CH39788A
(en )
1908-04-16
Device for producing a gas-air mixture
AT31863B
(en )
1908-02-25
Mixing regulator for generating a constant gas-air mixture.
CH30678A
(en )
1905-01-15
Device for the production of shaped stones
CH30432A
(en )
1904-12-15
Device for the production of insulating tubes
CH36724A
(en )
1907-02-28
Device for displaying handicraft patterns
CH42215A
(en )
1909-01-16
Device for producing screw threads
CH31572A
(en )
1905-04-30
Device for the production of structures consisting of loops
CH29436A
(en )
1904-08-15
Device for the production of pressurized mixtures of gases
CH32717A
(en )
1905-08-31
Device for the production of welded tubes
CH44992A
(en )
1909-10-16
Device for the production of animal feed
CH30730A
(en )
1905-01-31
Device for producing carburized air
CH35332A
(en )
1906-08-15
Device to facilitate learning to play the piano
CH28038A
(en )
1904-03-31
Device for the manufacture of concrete pillars
CH41393A
(en )
1908-10-16
Device for the production of hydrated lime
CH31438A
(en )
1905-03-31
Device for producing hollow tips on cigars
CH33115A
(en )
1905-10-31
Device for the production of homogeneous liquid mixtures
CH34265A
(en )
1906-04-30
Device for producing the toothing of toothed strips
CH43635A
(en )
1909-05-17
Device for the production of amorphous carbon by splitting hydrocarbons
AT23356B
(en )
1906-03-10
Device for generating incandescent gas light.
CH30294A
(en )
1904-11-30
Device for the production of cement pipes u. like
CH31842A
(en )
1905-05-15
Device for the gasification of medicinal liquids intended for inhalation
CH25595A
(en )
1903-06-15
Device for the production of gable locking bricks
CH30770A
(en )
1905-02-28
Device for the production of objects from artificial stone mass