CH62289A
(en )
1913-11-17
Method of making briquettes
CH65476A
(en )
1914-06-16
Method of making blankets
CH73900A
(en )
1916-12-01
Method of making briquettes
CH56981A
(en )
1912-12-02
Method of making vaults
CH48959A
(en )
1910-12-16
Method of making embroidery with spikes
CH55452A
(en )
1912-08-16
Method of making bells
CH66971A
(en )
1914-10-16
Method of making briquettes
CH57230A
(en )
1913-01-02
Method of making briquettes
CH54174A
(en )
1912-05-01
Process for the manufacture of pliable electrolyte iron
CH56237A
(en )
1912-10-16
Method of making wadding
CH58641A
(en )
1913-03-17
Method of making embroidery
CH61392A
(en )
1913-09-16
Method of making embroidery
CH73269A
(en )
1917-02-16
Method of making briquettes
CH75009A
(en )
1917-05-16
Method of making briquettes
CH53675A
(en )
1912-03-16
Method of manufacturing telephones
CH62147A
(en )
1913-11-01
Method of making table set
CH55670A
(en )
1912-09-02
Method for the representation of pinacon
CH54686A
(en )
1912-06-01
Method for the representation of pinacon
CH56841A
(en )
1912-11-16
Method for the representation of pinacon
CH53335A
(en )
1912-02-01
Process for the production of hydroquinine
CH56522A
(en )
1912-11-01
Process for the production of artificial building blocks
CH57863A
(en )
1913-02-01
Process for the preparation of p-aminobenzoylquinine
CH52279A
(en )
1911-11-01
Process for the production of tannin extracts
CH50322A
(en )
1911-05-16
Method of manufacturing grooved rail frogs
CH57033A
(en )
1912-12-02
Method of making wax flowers