CH39999A
(en )
1908-05-16
Form element for the production of concrete rib beams
FR369896A
(en )
1907-01-23
scaffolding
CH39697A
(en )
1908-04-01
Form for the manufacture of concrete poles
CH47907A
(en )
1910-08-16
Formwork scaffolding for the production of walls from rammed earth
CH35183A
(en )
1906-07-31
Artificial building block
CH39693A
(en )
1908-04-01
Shaped stone for the production of reinforced ceilings
CH40740A
(en )
1908-08-17
Mold frames for the production of building construction parts
CH43274A
(en )
1909-04-16
Process for the production of building structures
CH36370A
(en )
1907-03-15
Form for the production of U-shaped, iron-reinforced concrete beams
CH52365A
(en )
1911-11-16
Building block for the production of hollow masonry
DE173035C
(en )
1906-07-05
PROCESS FOR THE MANUFACTURE OF IRON CONCRETE STRUCTURES
CH39909A
(en )
1908-05-01
Grooved stone for the production of stable floors
CH48936A
(en )
1910-12-16
Scaffolding for the production of seamless walls
CH35054A
(en )
1906-11-15
Dismountable building
CH34344A
(en )
1906-09-15
Scaffold girders
CH37434A
(en )
1907-06-15
Artificial building block
CH29001A
(en )
1904-06-30
Plasterboard for the production of walls, ceilings, etc.
CH40972A
(en )
1908-09-01
Process for the manufacture of cellulosic structures
FR363054A
(en )
1906-07-20
scaffolding
CH36889A
(en )
1907-03-15
Mold for the production of artificial building blocks
CH38558A
(en )
1907-11-15
Concrete ceiling
CH39234A
(en )
1908-02-17
Equipment for the production of U-shaped, iron-reinforced concrete beams
CH37196A
(en )
1907-05-15
Scaffold girders
CH36252A
(en )
1906-12-15
Artificial building block
CH36369A
(en )
1906-12-31
Two-part mold for the manufacture of cement pipes