CH30422A
(en )
1904-12-15
Forming machine for the production of building blocks
CH31400A
(en )
1905-03-31
Machine for the production of cement products
DE173035C
(en )
1906-07-05
PROCESS FOR THE MANUFACTURE OF IRON CONCRETE STRUCTURES
CH35474A
(en )
1906-08-31
Machine for the production of composite blocks
CH32668A
(en )
1905-08-31
Machine for the production of steel chips
CH36889A
(en )
1907-03-15
Mold for the production of artificial building blocks
CH35305A
(en )
1906-08-15
Machine for the production of bullets
CH39693A
(en )
1908-04-01
Shaped stone for the production of reinforced ceilings
CH29001A
(en )
1904-06-30
Plasterboard for the production of walls, ceilings, etc.
CH35056A
(en )
1906-06-30
Machine for the production of building panels with insert
CH41583A
(en )
1908-11-02
Process for the continuous production of calcium carbide
AT31807B
(en )
1908-02-10
Process for the production of magnesia cement compounds.
CH35287A
(en )
1906-07-31
Machine for the production of artificial stone slabs
CH33704A
(en )
1905-12-31
Machine for the production of composite boards
CH27257A
(en )
1903-12-31
Novel hollow stone for the production of ceilings
CH34756A
(en )
1906-05-31
Machine for the production of cigarillos
CH30160A
(en )
1904-12-31
Machine for the production of hollow artificial stone beams
AT33149B
(en )
1908-05-25
Machine for the production of cement bricks.
AT23224B
(en )
1906-02-26
Machine for the production of shaped wooden objects.
CH30726A
(en )
1905-01-31
Facility for the production of mosaic sausage
CH36370A
(en )
1907-03-15
Form for the production of U-shaped, iron-reinforced concrete beams
CH43274A
(en )
1909-04-16
Process for the production of building structures
CH23973A
(en )
1902-10-31
Machine for the production of roof tiles
CH32327A
(en )
1905-07-31
Machine for the production of sheet metal pipes
CH40186A
(en )
1908-06-16
Process for the production of sodium persulfate