CH55879A
(en )
1912-09-16
Method of manufacturing objects by firing
CH73900A
(en )
1916-12-01
Method of making briquettes
CH76292A
(en )
1917-12-01
Process for the manufacture of objects from concrete
CH73269A
(en )
1917-02-16
Method of making briquettes
CH75009A
(en )
1917-05-16
Method of making briquettes
CH79376A
(en )
1918-11-01
Method of making threads on wooden objects
CH57230A
(en )
1913-01-02
Method of making briquettes
CH54686A
(en )
1912-06-01
Method for the representation of pinacon
CH56841A
(en )
1912-11-16
Method for the representation of pinacon
CH55670A
(en )
1912-09-02
Method for the representation of pinacon
CH56981A
(en )
1912-12-02
Method of making vaults
CH55452A
(en )
1912-08-16
Method of making bells
CH68153A
(en )
1915-02-16
Process for the production of fuel
CH55309A
(en )
1912-08-01
Method of building iron-reinforced walls
CH55389A
(en )
1912-08-16
Process for the production of cartridge cases
CH56522A
(en )
1912-11-01
Process for the production of artificial building blocks
CH62147A
(en )
1913-11-01
Method of making table set
CH69574A
(en )
1915-07-01
Method of making barrels
CH62289A
(en )
1913-11-17
Method of making briquettes
CH62000A
(en )
1913-11-01
Method of making fire boxes
CH56995A
(en )
1912-12-02
Method of making fire lighters
CH56237A
(en )
1912-10-16
Method of making wadding
CH54092A
(en )
1912-05-01
process for the manufacture of fire starters
CH57546A
(en )
1913-01-16
Process for the production of size
AT87484B
(en )
1922-02-25
Method of making latticework.