CH39693A
(en )
1908-04-01
Shaped stone for the production of reinforced ceilings
CH60278A
(en )
1913-07-01
Machine for the production of roof tiles and other plate-shaped objects made of cement etc.
CH39909A
(en )
1908-05-01
Grooved stone for the production of stable floors
CH66672A
(en )
1914-10-01
Form for the production of concrete workpieces and the like.
CH50466A
(en )
1911-06-01
Process for the production of parquet floors
DE173035C
(en )
1906-07-05
PROCESS FOR THE MANUFACTURE OF IRON CONCRETE STRUCTURES
AT52445B
(en )
1912-02-26
Forming machine for the production of hollow concrete and similar building blocks.
AT68762B
(en )
1915-05-25
Machine for the production of roof tiles from cement and other suitable mixtures.
CH54275A
(en )
1912-05-17
Form for the production of curved ceiling stones
AT74183B
(en )
1918-02-25
Process for the production of artificial stone.
CH46940A
(en )
1910-05-02
Process for the production of playground floors
CH66062A
(en )
1914-08-01
Hollow stone for the production of hollow body slabs
CH65872A
(en )
1914-07-16
Process for the production of concrete or reinforced concrete piles
AT41185B
(en )
1910-02-25
Process for the production of artificial marble.
CH39697A
(en )
1908-04-01
Form for the manufacture of concrete poles
AT46565B
(en )
1911-02-25
Process for the production of tiles for walls, floors and the like. like
CH44052A
(en )
1909-07-01
Machine for the production of artificial stones
CH45744A
(en )
1910-01-03
Machine for the production of artificial stones
CH49381A
(en )
1911-02-01
Machine for the production of artificial stones
AT46697B
(en )
1911-02-25
Hand molding machine for the production of bricks.
CH56778A
(en )
1912-12-02
Machine for the production of concrete pipes
AT70872B
(en )
1916-01-10
Process for the production of artificial marble.
CH34720A
(en )
1906-05-31
Device for the production of artificial cement stones
CH55865A
(en )
1912-09-16
Process for the production of rollable plaster bases
CH36369A
(en )
1906-12-31
Two-part mold for the manufacture of cement pipes