CH55309A
(en )
1912-08-01
Method of building iron-reinforced walls
CH67729A
(en )
1915-04-16
Method of making plastering mortar
CH62000A
(en )
1913-11-01
Method of making fire boxes
CH55452A
(en )
1912-08-16
Method of making bells
CH56841A
(en )
1912-11-16
Method for the representation of pinacon
CH55670A
(en )
1912-09-02
Method for the representation of pinacon
CH54686A
(en )
1912-06-01
Method for the representation of pinacon
CH56981A
(en )
1912-12-02
Method of making vaults
CH76292A
(en )
1917-12-01
Process for the manufacture of objects from concrete
CH61694A
(en )
1913-10-16
Method of obtaining nicotine
CH56980A
(en )
1912-12-02
Method of making massive houses
CH61633A
(en )
1913-10-01
Process for the production of ceiling formwork
CH56522A
(en )
1912-11-01
Process for the production of artificial building blocks
CH57210A
(en )
1912-12-16
Method of making ceilings and walls
CH62658A
(en )
1913-12-16
Method of making fire boxes
CH57209A
(en )
1912-12-16
Process for the production of self-supporting building partition walls
CH62272A
(en )
1913-11-17
Process for the production of walls from building panels
CH59344A
(en )
1913-05-02
Process for increasing the air permeability of plastered surfaces
CH56237A
(en )
1912-10-16
Method of making wadding
CH56995A
(en )
1912-12-02
Method of making fire lighters
CH61916A
(en )
1913-10-16
Process for the representation of erythrene
CH54324A
(en )
1912-05-17
Process for the representation of erythrene
CH58670A
(en )
1913-03-17
Process for the representation of erythrene
CH67854A
(en )
1915-04-01
Process for the manufacture of concrete piles
CH67393A
(en )
1914-12-01
Method of making fire lighters