CH57721A
(en )
1913-01-16
Process for the continuous production of transparent glass plates
CH72355A
(en )
1916-05-01
Process for the production of road surfaces
CH71298A
(en )
1915-12-16
Process for making stained glass
CH66969A
(en )
1914-11-02
Process for the production of glass tubes
CH72628A
(en )
1916-06-16
Process for the production of antimonies
CH50757A
(en )
1911-06-16
Process for the production of company signs from glass
CH72251A
(en )
1916-04-17
Process for the production of highly refractory articles
CH72366A
(en )
1916-10-16
Process for the production of tops
CH72174A
(en )
1916-04-17
Process for the production of enamels
CH55514A
(en )
1912-08-16
Process for the production of vitreous bodies
CH64292A
(en )
1914-03-16
Process for the production of glass mosaics on wood
CH68153A
(en )
1915-02-16
Process for the production of fuel
CH71918A
(en )
1916-03-01
Process for the production of aluminum hydroxide
CH65305A
(en )
1914-06-01
Process for the production of glass window fans
CH76038A
(en )
1917-10-16
Process for the production of sodium amide
CH53838A
(en )
1912-04-01
Process for the production of liquid luminous gas
CH63516A
(en )
1914-02-02
Process for making clear quartz glass articles
CH76586A
(en )
1918-01-16
Process for the production of cork boards
CH73591A
(en )
1916-10-16
Process for the production of colored stereo images
AT63633B
(en )
1914-02-25
Process for the production of glass rings with imitation cut.
CH79697A
(en )
1918-12-16
Method of making painting on glass
CH79698A
(en )
1918-12-16
Method of making painting on glass
CH68831A
(en )
1915-04-16
Process for the production of borofluorotassium
CH72640A
(en )
1916-06-16
Process for the production of macroscopic permanent specimens
CH53599A
(en )
1912-03-01
Process for the production of writing boards from glass