CH55154A
(en )
1912-07-16
Process for the production of concrete beams with cavities
CH66966A
(en )
1914-11-02
Process for the production of homogeneous pressed concrete piles
CH70719A
(en )
1915-10-16
Process for the manufacture of textile-like products
CH61633A
(en )
1913-10-01
Process for the production of ceiling formwork
CH58351A
(en )
1913-03-01
Process for the production of artificial building blocks
CH60351A
(en )
1913-07-01
Process for the production of mold plates
CH59153A
(en )
1913-04-16
Process for the production of glycoheptonic acid
CH65872A
(en )
1914-07-16
Process for the production of concrete or reinforced concrete piles
CH61039A
(en )
1913-09-01
Process for the production of wooden panels
CH54972A
(en )
1912-07-01
Process for the production of plate-shaped objects
CH59460A
(en )
1913-05-16
Process for the production of acid-resistant cast steel
CH66502A
(en )
1914-09-16
Process for the production of cyanides
CH66860A
(en )
1914-10-16
Process for the production of dihydrocodeine
CH63602A
(en )
1914-02-02
Process for the production of cartridge cases
CH65234A
(en )
1914-06-01
Process for the production of dihydromorphine
CH50318A
(en )
1911-05-16
Process for the production of reinforced concrete floors
CH72948A
(en )
1916-08-01
Process for the production of reversible shoes
AT74183B
(en )
1918-02-25
Process for the production of artificial stone.
CH58857A
(en )
1913-04-01
Process for the production of artificial stones
CH59610A
(en )
1913-06-02
Process for the production of artificial stones
CH61357A
(en )
1913-09-16
Process for the production of artificial stones
CH60359A
(en )
1913-07-16
Process for the production of posters
CH63133A
(en )
1914-01-02
Process for the manufacture of explosives
CH62140A
(en )
1913-11-01
Process for the manufacture of explosives
CH69514A
(en )
1915-07-01
Process for the manufacture of products similar to textile structures