CH64157A
(en )
1914-03-16
Process for the production of chimney hats and frame-shaped chimney hat elements
CH66515A
(en )
1914-09-16
Process for the production of white and colored enamels
CH65491A
(en )
1914-06-16
Process for the production of hollow stones closed on all sides
CH52067A
(en )
1911-10-16
Fireplace hat and method of making the same
CH54275A
(en )
1912-05-17
Form for the production of curved ceiling stones
AT89302B
(en )
1922-09-11
Thermopile and method of making thermocouples.
CH63365A
(en )
1914-01-16
Process for the production of nitrocellulose
AT82794B
(en )
1921-02-25
Process for the production of alkali carbonate and alkali cyanamide.
AT63631B
(en )
1914-02-25
Method and device for the production of glass rings.
CH60924A
(en )
1913-08-16
Method of making fireplace hats
CH57721A
(en )
1913-01-16
Process for the continuous production of transparent glass plates
CH72628A
(en )
1916-06-16
Process for the production of antimonies
CH76038A
(en )
1917-10-16
Process for the production of sodium amide
CH66503A
(en )
1914-09-16
Process for the production of calcium cyanamide
CH63494A
(en )
1914-02-02
Process for the production of components
CH72366A
(en )
1916-10-16
Process for the production of tops
CH66000A
(en )
1914-08-01
Process for the production of incandescent bodies
CH67761A
(en )
1915-01-16
Process and furnace for the production of calcium cyanamide
CH57546A
(en )
1913-01-16
Process for the production of size
CH71436A
(en )
1916-01-03
Process for the production of briquettes
CH64601A
(en )
1914-04-16
Process for the production of framework-free glass cases, frames made of glass plates and the like
CH67258A
(en )
1914-11-16
Process for the production of artificial sponge
CH63578A
(en )
1914-02-02
Device for the production of black lead
CH68327A
(en )
1915-03-01
Process for the production of dichloro-o-cresyl carbonate
CH66317A
(en )
1914-09-01
Process for the production of pure diastase