CH72887A
(en )
1917-01-02
Process for the production and isolation of the internal secretion of the thyroid gland
CH72805A
(en )
1916-07-01
Firelighter and method of making the same
CH82936A
(en )
1919-11-01
Key and method of making the same
CH71079A
(en )
1915-12-01
Talking machine pen and method of making the same
CH72296A
(en )
1916-05-01
Nail and method of making the same
CH71161A
(en )
1915-12-01
Process for the production of portland cement
CH72640A
(en )
1916-06-16
Process for the production of macroscopic permanent specimens
CH72628A
(en )
1916-06-16
Process for the production of antimonies
CH76038A
(en )
1917-10-16
Process for the production of sodium amide
CH68153A
(en )
1915-02-16
Process for the production of fuel
CH75814A
(en )
1917-09-17
Mast and method of making the same
CH70182A
(en )
1915-09-01
Process for the production of upholstery wool
CH65479A
(en )
1914-06-16
Stone sleeve and method of making the same
CH72196A
(en )
1916-04-17
Hyperbolic wheel and method of making the same
CH73861A
(en )
1916-12-01
Process for the preparation of hydrolecithin
CH80791A
(en )
1919-04-16
Structure and method of manufacturing the same
CH71921A
(en )
1916-08-01
Method and device for the production of soap powder
CH78053A
(en )
1918-06-17
Artificial building block and method of making the same
CH58212A
(en )
1913-03-01
Oven and method of making the same
CH71958A
(en )
1916-03-16
Bevel gear and method of making the same
CH71783A
(en )
1916-02-16
Process for the production of ceramic bodies for technical purposes
CH71436A
(en )
1916-01-03
Process for the production of briquettes
CH72828A
(en )
1916-07-01
Process for the preparation of catechol
CH52839A
(en )
1912-01-02
Folding plate and method of making the same
CH61705A
(en )
1913-10-16
Process for the preparation of glycerol stearate