CH56980A
(en )
1912-12-02
Method of making massive houses
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
CH73900A
(en )
1916-12-01
Method of making briquettes
CH55452A
(en )
1912-08-16
Method of making bells
CH55309A
(en )
1912-08-01
Method of building iron-reinforced walls
CH56329A
(en )
1912-10-16
Method of making artificial threads
CH62000A
(en )
1913-11-01
Method of making fire boxes
CH57033A
(en )
1912-12-02
Method of making wax flowers
CH59261A
(en )
1913-05-02
Process for the manufacture of electrolytic capacitors
CH62289A
(en )
1913-11-17
Method of making briquettes
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
CH75009A
(en )
1917-05-16
Method of making briquettes
CH73269A
(en )
1917-02-16
Method of making briquettes
CH56995A
(en )
1912-12-02
Method of making fire lighters
CH60924A
(en )
1913-08-16
Method of making fireplace hats
CH57533A
(en )
1913-01-16
Process for the production of hydrogen
CH57979A
(en )
1913-02-17
Process for the production of hydrogen
CH57546A
(en )
1913-01-16
Process for the production of size
CH57863A
(en )
1913-02-01
Process for the preparation of p-aminobenzoylquinine
CH61705A
(en )
1913-10-16
Process for the preparation of glycerol stearate
CH57975A
(en )
1913-02-17
Method of making a spice
CH62147A
(en )
1913-11-01
Method of making table set