CH23971A
(en )
1902-10-31
Hollow stone for the production of ceilings, walls etc.
CH29001A
(en )
1904-06-30
Plasterboard for the production of walls, ceilings, etc.
CH27257A
(en )
1903-12-31
Novel hollow stone for the production of ceilings
CH39693A
(en )
1908-04-01
Shaped stone for the production of reinforced ceilings
CH36370A
(en )
1907-03-15
Form for the production of U-shaped, iron-reinforced concrete beams
CH35803A
(en )
1906-10-31
Equipment for the production of hollow, iron-reinforced concrete masts
CH30422A
(en )
1904-12-15
Forming machine for the production of building blocks
AT23244B
(en )
1906-02-26
Process for the production of dressings.
CH67387A
(en )
1914-12-01
Process for the production of building blocks, roof tiles etc.
CH52365A
(en )
1911-11-16
Building block for the production of hollow masonry
CH39909A
(en )
1908-05-01
Grooved stone for the production of stable floors
DK4596C
(en )
1902-02-24
Procedure for the manufacture of bricks, blocks or similar building materials.
CH29273A
(en )
1904-07-31
Panel for making walls, ceilings, etc.
CH30157A
(en )
1904-11-15
Gypsum board with reed inlay for the production of walls, ceilings etc.
CH23973A
(en )
1902-10-31
Machine for the production of roof tiles
DK4929C
(en )
1902-07-21
Procedure for the manufacture of hollow glassware.
DK5926C
(en )
1903-09-14
Procedure for the production of stone or mosaic floors.
DK7772C
(en )
1905-08-21
Procedure for the production of hollow tips in cigars.
AT20653B
(en )
1905-07-10
Process for the production of mosaic panels.
AT33149B
(en )
1908-05-25
Machine for the production of cement bricks.
CH25595A
(en )
1903-06-15
Device for the production of gable locking bricks
CH39234A
(en )
1908-02-17
Equipment for the production of U-shaped, iron-reinforced concrete beams
DK8316C
(en )
1906-03-05
Percussion table for the production of cement bricks.
AT52445B
(en )
1912-02-26
Forming machine for the production of hollow concrete and similar building blocks.
DK6428C
(en )
1904-03-21
Machine for the manufacture of pipes or hollow bodies.