CH53534A
(en )
1912-03-01
Method and device for the production of stone slabs
CH51388A
(en )
1911-09-01
Method and device for the production of artificial stones
CH48667A
(en )
1910-11-16
Method and device for the production of hollow stones
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
CH54859A
(en )
1912-07-01
Method and device for the production of mineral water
CH51233A
(en )
1911-08-16
Method and device for the production of hollow glass bodies
CH72152A
(en )
1916-04-01
Method and device for the production of sand-lime bricks
CH65479A
(en )
1914-06-16
Stone sleeve and method of making the same
AT63631B
(en )
1914-02-25
Method and device for the production of glass rings.
CH61634A
(en )
1913-10-16
Device and method for the production of reinforced concrete hollow stone ceilings
CH61865A
(en )
1913-10-16
Process and device for the production of molded artificial stone
CH53116A
(en )
1912-02-01
Method and device for the production of bodies provided with helical surfaces
CH52149A
(en )
1911-11-01
Process for the production of bodies that imitate wood or stone cuts
CH66501A
(en )
1914-09-16
Method and device for carrying out electroosmotic processes
CH53490A
(en )
1912-03-01
Method and device for the production of insulating pipes
CH57594A
(en )
1913-01-16
Method and device for the production of reliefs
AT51875B
(en )
1912-01-25
Process and device for the production of superphosphate.
CH57596A
(en )
1913-01-16
Method and device for the production of rings with setting
CH71921A
(en )
1916-08-01
Method and device for the production of soap powder
CH63112A
(en )
1914-01-02
Method and device for the production of rennet liquid
CH64048A
(en )
1914-03-02
Method and device for the production of objects from plastic masses
CH74229A
(en )
1917-02-01
Method and device for the production of soap powder
CH51608A
(en )
1911-09-01
Process for the production of artificial stone
CH59359A
(en )
1913-05-02
Method and device for the production of glass vessels