CH58968A
(en )
1913-04-16
Enamelled metal articels decoration process
FR425257A
(en )
1911-06-07
Method of decorating enamelled metal articles
FR444175A
(en )
1912-10-11
Process for the production of aminoanthraquinones
FR429739A
(en )
1911-09-29
Process for obtaining metallic tin
FR465614A
(en )
1914-04-21
Metal extraction process
FR456783A
(en )
1913-09-04
Metal refining process
FR442443A
(en )
1912-08-31
Process for the production of imitations of art stained glass
FR426994A
(en )
1911-07-22
Anthranol production process
CH57814A
(en )
1913-02-01
Manufacturing process for blanks for metal cutlery blanks
FR414013A
(en )
1910-08-24
Process for the production of aldehydesulfoxylates
FR436428A
(en )
1912-03-27
Process for the ornamentation of glassware molds
FR450065A
(en )
1913-03-14
Metal electrodeposition process
FR437387A
(en )
1912-04-19
Process for the production of erythrene
FR442149A
(en )
1912-08-24
Process for the production of erythrene
FR421723A
(en )
1911-03-03
Process for the production of metal alloys
FR419433A
(en )
1911-01-06
Process for obtaining enamel coatings on metal
FR495955A
(en )
1919-10-23
Process for the production of advanced metal alloys
FR406387A
(en )
1910-01-28
Process for the production of metal coatings
FR405572A
(en )
1910-01-07
Process for the manufacture of imitation furskins
FR449747A
(en )
1913-03-06
Decoration process
FR450458A
(en )
1913-03-26
Enamel roughening process
FR458677A
(en )
1913-10-16
Process for the production of erythrene
CA133441A
(en )
1911-05-30
Process of decorating enamelled metal
FR450762A
(en )
1913-04-03
Process for obtaining malleable metals
CH72060A
(en )
1916-03-16
Process for the production of metal coatings