CH73171A
(en )
1916-09-01
Device for the construction of walls by means of cladding
CH73661A
(en )
1916-11-01
Device for the production of concrete steps
CH71427A
(en )
1916-08-01
Device for making plaster ceilings
CH74730A
(en )
1917-04-02
Device for making ropes
CH75364A
(en )
1917-07-16
Device for the production of aluminum vessels by lintel casting
CH72355A
(en )
1916-05-01
Process for the production of road surfaces
CH68153A
(en )
1915-02-16
Process for the production of fuel
CH73861A
(en )
1916-12-01
Process for the preparation of hydrolecithin
CH72453A
(en )
1916-05-16
Process for the preparation of 1.5-diamido-2.6-dimercaptoanthraquinone
CH61444A
(en )
1913-09-16
Device for making impressions
CH63578A
(en )
1914-02-02
Device for the production of black lead
CH69677A
(en )
1915-07-16
Machine for the production of Tresterstöckli
CH75652A
(en )
1918-02-01
Device for making butter
CH64415A
(en )
1914-04-01
Formwork device for the production of concrete structures
CH72628A
(en )
1916-06-16
Process for the production of antimonies
AT75547B
(en )
1919-02-25
Process for the production of disinfectants.
CH66434A
(en )
1914-09-01
Device for preparing emulsions
CH73591A
(en )
1916-10-16
Process for the production of colored stereo images
CH63782A
(en )
1914-02-16
Device for the production of artificial building blocks
AT71199B
(en )
1916-02-25
Device for the production of reinforced knitwear.
CH72152A
(en )
1916-04-01
Method and device for the production of sand-lime bricks
CH67854A
(en )
1915-04-01
Process for the manufacture of concrete piles
CH69955A
(en )
1915-08-02
Process for the preparation of 4-chloro-1-oxyanthraquinone
CH71544A
(en )
1916-01-17
Process for the preparation of 4-methyl-1-oxyanthraquinone
CH72184A
(en )
1916-09-16
Device for forming loopholes