CH74590A
(en )
1917-06-01
Construction process of concrete floors
FR497975A
(en )
1919-12-23
Construction process of concrete floors
CH74506A
(en )
1917-06-16
Construction process of concrete floors
CH76285A
(en )
1917-12-01
Construction process of concrete floors
CH78175A
(en )
1918-10-16
Construction process of concrete floors
CH59077A
(en )
1913-05-02
Construction process of reinforced concrete hollow floors
CH50318A
(en )
1911-05-16
Process for the production of reinforced concrete floors
CH75941A
(en )
1917-10-16
Facing brick
CH66966A
(en )
1914-11-02
Process for the production of homogeneous pressed concrete piles
FR450351A
(en )
1913-03-22
Process for the manufacture of concrete piles
CH58819A
(en )
1913-04-16
Process for the establishment of reinforced concrete floors
CH58592A
(en )
1913-03-17
Formwork for the production of concrete ceilings
FR475074A
(en )
1915-04-09
Process and molds for the construction of monolithic buildings
FR499076A
(en )
1920-01-30
Construction process of artificial stone powders or floors
CH55154A
(en )
1912-07-16
Process for the production of concrete beams with cavities
FR480682A
(en )
1916-09-07
Process for painting cement
FR494984A
(en )
1919-09-25
Concrete staircase
CH63264A
(en )
1914-02-02
Process for the establishment of reinforced concrete floors
FR435214A
(en )
1912-02-24
Building brick or artificial stone
FR483004A
(en )
1917-05-23
Improvements to building bricks
CH74815A
(en )
1917-04-16
Scaffolding for high-rise concrete structures
CH61633A
(en )
1913-10-01
Process for the production of ceiling formwork
CH57467A
(en )
1913-01-16
Process for the establishment of reinforced concrete floors
FR438232A
(en )
1912-05-10
Improved plaster manufacturing process
CH72461A
(en )
1916-05-16
Hollow bodies for the production of reinforced concrete ceilings