CH71298A
(en )
1915-12-16
Process for making stained glass
CH72355A
(en )
1916-05-01
Process for the production of road surfaces
CH73591A
(en )
1916-10-16
Process for the production of colored stereo images
CH57721A
(en )
1913-01-16
Process for the continuous production of transparent glass plates
CH72366A
(en )
1916-10-16
Process for the production of tops
CH72628A
(en )
1916-06-16
Process for the production of antimonies
CH72863A
(en )
1916-07-17
Process for the production of paintings on glass
CH56992A
(en )
1912-12-02
Process for replicating stained glass
CH70797A
(en )
1915-10-16
Process for making diaphanous watercolors
CH76038A
(en )
1917-10-16
Process for the production of sodium amide
CH76586A
(en )
1918-01-16
Process for the production of cork boards
CH68153A
(en )
1915-02-16
Process for the production of fuel
CH72640A
(en )
1916-06-16
Process for the production of macroscopic permanent specimens
CH72174A
(en )
1916-04-17
Process for the production of enamels
CH70774A
(en )
1915-11-01
Process for making rubber articles
CH73861A
(en )
1916-12-01
Process for the preparation of hydrolecithin
CH68831A
(en )
1915-04-16
Process for the production of borofluorotassium
CH63516A
(en )
1914-02-02
Process for making clear quartz glass articles
AT74197B
(en )
1918-02-25
Process for making margarine.
AT88477B
(en )
1922-05-26
Process for the production of alkali percarbonates.
CH78372A
(en )
1918-07-16
Process for the manufacture of stamps
CH52851A
(en )
1912-01-02
Process for making clear quartz articles
CH52852A
(en )
1912-01-02
Process for making clear quartz articles
CH71436A
(en )
1916-01-03
Process for the production of briquettes
CH71194A
(en )
1915-12-01
Process for the preparation of anthraquinone