CH35803A
(en )
1906-10-31
Equipment for the production of hollow, iron-reinforced concrete masts
CH35186A
(en )
1906-09-30
Device for the production of hollow concrete masts
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
CH35534A
(en )
1906-09-15
Device for the production of hollow masts, tubes, hollow piles, etc., from concrete
CH39697A
(en )
1908-04-01
Form for the manufacture of concrete poles
CH39234A
(en )
1908-02-17
Equipment for the production of U-shaped, iron-reinforced concrete beams
CH38363A
(en )
1907-10-15
Device for the production of molds
CH23971A
(en )
1902-10-31
Hollow stone for the production of ceilings, walls etc.
CH32942A
(en )
1905-10-15
Core for the production of long, hollow iron-reinforced concrete poles
CH39999A
(en )
1908-05-16
Form element for the production of concrete rib beams
CH37197A
(en )
1907-05-15
Reinforced beam for making ceilings
DK8492C
(en )
1906-05-21
Procedure for the manufacture of bell-shaped insulators.
CH36889A
(en )
1907-03-15
Mold for the production of artificial building blocks
CH52365A
(en )
1911-11-16
Building block for the production of hollow masonry
CH27257A
(en )
1903-12-31
Novel hollow stone for the production of ceilings
CH39909A
(en )
1908-05-01
Grooved stone for the production of stable floors
FR367437A
(en )
1906-10-29
Reinforced concrete coating
FR377529A
(en )
1907-09-09
Kite claims
CH51223A
(en )
1911-08-16
Process for the production of dense, reinforced, hollow long bodies such as tubes, masts, posts and the like.
CH42440A
(en )
1909-02-01
Clamp shoe for wooden masts
CH34344A
(en )
1906-09-15
Scaffold girders
CH36717A
(en )
1907-02-15
Equipment for the production of coal powder
CH40740A
(en )
1908-08-17
Mold frames for the production of building construction parts
AT46697B
(en )
1911-02-25
Hand molding machine for the production of bricks.