CH41737A
(en )
1908-11-16
Method for dressing the end faces of clay tubes
CH40456A
(en )
1908-07-16
Process for dearsenating acids
CH48924A
(en )
1910-12-16
Scraper tool for cleaning ceilings and walls
CH43274A
(en )
1909-04-16
Process for the production of building structures
CH37929A
(en )
1907-08-31
Device for one-sided painting of metal strips
CH41792A
(en )
1908-11-16
Method of drawing metal dials
CH42567A
(en )
1909-02-01
Process for reducing alumina
CH43480A
(en )
1909-05-17
Process for coloring aluminum objects
CH50232A
(en )
1911-05-01
Method for producing matrices
CH41914A
(en )
1908-12-16
Device for cleaning the inner wall of pipes
CH46443A
(en )
1910-03-16
Method of processing grain
CH50222A
(en )
1911-05-01
Process for purifying cocoa
CH41626A
(en )
1908-11-02
Method of forming cast iron pillars
CH41276A
(en )
1908-10-16
Process for the regeneration of rubber
CH46182A
(en )
1910-02-01
Method of sealing barrels
CH42443A
(en )
1909-02-01
Wallcovering method
CH41284A
(en )
1908-10-01
Process for preserving chocolate
CH39483A
(en )
1908-06-01
Scraper tool for cleaning ceilings and walls
FR384438A
(en )
1908-04-08
Bricklayer industry
CH47906A
(en )
1910-08-16
Device for laying floors
CH49663A
(en )
1911-03-16
Device for plugging tobacco pipes
CH43326A
(en )
1909-05-17
Method and device for the simultaneous setting and filing of print sets
AT25743B
(en )
1906-09-25
Method for soldering the overlapping points of tubes made of helically wound metal strips.
CH40275A
(en )
1908-06-16
Process for the production of ammonium persulfate
CH40473A
(en )
1908-07-16
Method for opening up fiber plants