CH18590A
(en )
1900-01-31
Scaffolding for the production of concrete structures
CH12135A
(en )
1896-11-15
Formwork device for the production of concrete structures
CH20414A
(en )
1901-01-31
Concrete ceiling
DE173035C
(en )
1906-07-05
PROCESS FOR THE MANUFACTURE OF IRON CONCRETE STRUCTURES
CH18812A
(en )
1900-06-30
Building block
CH27257A
(en )
1903-12-31
Novel hollow stone for the production of ceilings
CH21363A
(en )
1901-07-15
Machine for the production of facade bricks for building purposes
CH19872A
(en )
1900-09-30
Artificial building block
CH19125A
(en )
1900-05-15
Artificial building block
CH19274A
(en )
1900-06-15
Artificial building block
CH19738A
(en )
1900-08-31
Artificial building block
CH20066A
(en )
1900-11-15
Building construction part
CH65872A
(en )
1914-07-16
Process for the production of concrete or reinforced concrete piles
CH19144A
(en )
1900-06-15
New type of last for the production of footwear
CH48047A
(en )
1910-09-01
Process for the production of ribbed ceilings in reinforced concrete
CH52365A
(en )
1911-11-16
Building block for the production of hollow masonry
AT5029B
(en )
1901-08-26
Innovation in the manufacture of artificial sand-lime brick.
CH316E
(en )
1900-09-15
Building block
CH382E
(en )
1902-09-30
Building block
CH68126A
(en )
1915-02-16
Shaped stone for the production of reinforced hollow concrete ceilings
CH72461A
(en )
1916-05-16
Hollow bodies for the production of reinforced concrete ceilings
CH39693A
(en )
1908-04-01
Shaped stone for the production of reinforced ceilings
AT1091B
(en )
1900-03-26
Process for the production of artificial stones.
CH13964A
(en )
1897-09-15
Forming apparatus for the production of hollow glass bodies
CH58846A
(en )
1913-04-01
Process for the production of railings from reinforced concrete