CH55703A
(en )
1912-09-02
Method of manufacturing granite mosaic slabs ready for laying
CH66966A
(en )
1914-11-02
Process for the production of homogeneous pressed concrete piles
CH50173A
(en )
1911-05-01
Process for the production of artificial stone slabs
CH51068A
(en )
1911-07-17
Process for the production of artificial stone slabs
CH76292A
(en )
1917-12-01
Process for the manufacture of objects from concrete
CH67851A
(en )
1915-01-16
Process for the production of marble-like artificial stone slabs
NL74C
(en )
1913-12-15
Process for the manufacture of imitation marble slabs
CH50318A
(en )
1911-05-16
Process for the production of reinforced concrete floors
CH58846A
(en )
1913-04-01
Process for the production of railings from reinforced concrete
CH58351A
(en )
1913-03-01
Process for the production of artificial building blocks
CH67854A
(en )
1915-04-01
Process for the manufacture of concrete piles
CH62274A
(en )
1913-11-17
Process for the production of hollow bodies from concrete
CH57225A
(en )
1912-12-16
Process for the production of artificial marble from hydraulic mortars
CH55309A
(en )
1912-08-01
Method of building iron-reinforced walls
CH53193A
(en )
1912-02-01
Process for making completely flat clay slabs
CH62763A
(en )
1913-12-16
process for producing stone wood screeds
CH65872A
(en )
1914-07-16
Process for the production of concrete or reinforced concrete piles
CH56522A
(en )
1912-11-01
Process for the production of artificial building blocks
CH69997A
(en )
1915-08-02
Process for the reproduction of noble types of stone, majolica and clay tiles
CH73174A
(en )
1916-09-01
Process for coloring artificial stone work
CH65479A
(en )
1914-06-16
Stone sleeve and method of making the same
CH70390A
(en )
1915-09-16
Process for the production of jointless rammed floors
CH75418A
(en )
1918-01-02
Small stone pavement and method of making same
CH76206A
(en )
1917-11-16
Process for the reproduction of surface patterns
CH49081A
(en )
1911-01-02
Process for the production of reinforced concrete floors