CH56981A
(en )
1912-12-02
Method of making vaults
CH56237A
(en )
1912-10-16
Method of making wadding
CH57230A
(en )
1913-01-02
Method of making briquettes
CH56980A
(en )
1912-12-02
Method of making massive houses
CH73900A
(en )
1916-12-01
Method of making briquettes
CH55452A
(en )
1912-08-16
Method of making bells
CH59261A
(en )
1913-05-02
Process for the manufacture of electrolytic capacitors
CH56841A
(en )
1912-11-16
Method for the representation of pinacon
CH55670A
(en )
1912-09-02
Method for the representation of pinacon
CH54686A
(en )
1912-06-01
Method for the representation of pinacon
CH75009A
(en )
1917-05-16
Method of making briquettes
CH73269A
(en )
1917-02-16
Method of making briquettes
CH62289A
(en )
1913-11-17
Method of making briquettes
CH55309A
(en )
1912-08-01
Method of building iron-reinforced walls
CH57863A
(en )
1913-02-01
Process for the preparation of p-aminobenzoylquinine
CH56522A
(en )
1912-11-01
Process for the production of artificial building blocks
CH55389A
(en )
1912-08-16
Process for the production of cartridge cases
CH57033A
(en )
1912-12-02
Method of making wax flowers
CH62000A
(en )
1913-11-01
Method of making fire boxes
CH56995A
(en )
1912-12-02
Method of making fire lighters
CH55542A
(en )
1912-08-16
Process for the preparation of allophanoic acid chloride
CH62147A
(en )
1913-11-01
Method of making table set
CH56329A
(en )
1912-10-16
Method of making artificial threads
CH57227A
(en )
1912-12-16
Process for the production of artificial stones
CH65476A
(en )
1914-06-16
Method of making blankets