CH51388A
(en )
1911-09-01
Method and device for the production of artificial stones
CH53534A
(en )
1912-03-01
Method and device for the production of stone slabs
CH48667A
(en )
1910-11-16
Method and device for the production of hollow stones
CH57596A
(en )
1913-01-16
Method and device for the production of rings with setting
CH54859A
(en )
1912-07-01
Method and device for the production of mineral water
CH59001A
(en )
1913-04-16
Method and device for the production of artificial railways
CH59100A
(en )
1913-04-16
Device for the production of artificial stones
CH51233A
(en )
1911-08-16
Method and device for the production of hollow glass bodies
CH61865A
(en )
1913-10-16
Process and device for the production of molded artificial stone
CH57594A
(en )
1913-01-16
Method and device for the production of reliefs
CH74229A
(en )
1917-02-01
Method and device for the production of soap powder
CH53116A
(en )
1912-02-01
Method and device for the production of bodies provided with helical surfaces
AT63631B
(en )
1914-02-25
Method and device for the production of glass rings.
CH71921A
(en )
1916-08-01
Method and device for the production of soap powder
CH51832A
(en )
1911-09-16
Method and device for the production of wire ring braids
CH59359A
(en )
1913-05-02
Method and device for the production of glass vessels
CH55503A
(en )
1912-08-16
Process for the production of porous artificial stones
CH57227A
(en )
1912-12-16
Process for the production of artificial stones
CH58635A
(en )
1913-03-17
Method and device for the production of silk and other fine fabrics
CH51608A
(en )
1911-09-01
Process for the production of artificial stone
AT82964B
(en )
1921-02-25
Method and device for the production of hop extracts.
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
CH65479A
(en )
1914-06-16
Stone sleeve and method of making the same
CH54274A
(en )
1912-05-17
Method and device for the production of mica sheets