FR514650A
(en )
1921-03-15
Construction of reinforced concrete buildings
DK27168C
(en )
1921-02-14
Floor separation or Roofing of Concrete Slabs and the like.
DK26454C
(en )
1920-08-16
Walls of Concrete Slabs and the like.
FR497627A
(en )
1919-12-11
Building system
ES66214A1
(en )
1918-03-01
Improvements in the construction of reinforced concrete floors.
FR495352A
(en )
1919-10-07
Concrete or reinforced concrete building
FR497413A
(en )
1919-12-05
Interlocking building bricks
DK26278C
(en )
1920-07-12
Hollow Block of Concrete or similar for Byggeburg.
DK28657C
(en )
1921-10-24
Procedure for the construction of reinforced concrete vessels and the like.
DK28415C
(en )
1921-09-12
Reinforced concrete building element.
DK23382C
(en )
1918-08-19
Apparatus for the manufacture of piles or building blocks of concrete.
FR501531A
(en )
1920-04-16
Improvements in the construction of reinforced concrete floors
CH83446A
(en )
1919-12-01
Building construction
DK23582C
(en )
1918-09-30
Forming and pressing machine for roofing sheets of cement cement and the like.
ES66760A1
(en )
1918-05-01
Improvements in the construction of reinforced concrete ships and floating structures.
DK26204C
(en )
1920-06-28
Plate or stone for floor separations, roofing, vault wings, domes or the like, made without load-bearing formwork.
DK23388C
(en )
1918-08-19
Building slab of Concrete.
DK25945C
(en )
1920-05-10
Building stone.
ES68502A1
(en )
1919-02-01
Improvements in the devices for building concrete floors or walls.
FR497982A
(en )
1919-12-23
Ship building site
FR505363A
(en )
1920-07-29
Building system
ES67528A1
(en )
1918-09-01
Improvements in the manufacture of reinforced concrete structures.
FR492797A
(en )
1919-07-18
Improvement in the construction of ship floors
ES68303A1
(en )
1918-12-16
Improvements in the construction of reinforced cement ships.
CH79139A
(en )
1919-02-17
Cement mortar roof slab