CH50222A
(en )
1911-05-01
Process for purifying cocoa
CH50232A
(en )
1911-05-01
Method for producing matrices
CH48818A
(en )
1910-12-01
Brush for cleaning vehicle parts
CH41284A
(en )
1908-10-01
Process for preserving chocolate
FR402864A
(en )
1909-10-19
Improved collotypographic process
CH40456A
(en )
1908-07-16
Process for dearsenating acids
FR419591A
(en )
1911-01-10
Aging process for eaux-de-vie
FR423829A
(en )
1911-04-27
Filtration process
CH41737A
(en )
1908-11-16
Method for dressing the end faces of clay tubes
CH49603A
(en )
1911-03-01
Process for emulsifying organic compounds
CH66774A
(en )
1914-10-01
Process for cleaning metals
CH61489A
(en )
1913-10-01
Apparatus for making tires
FR410584A
(en )
1910-05-24
Photolithographic reproduction process
FR398570A
(en )
1909-06-08
Cementation process
CH54412A
(en )
1912-06-01
Device for the lateral support of single-track vehicles
CH53965A
(en )
1912-04-16
Process for purifying liquid hydrocarbons
CH53572A
(en )
1912-03-01
Process for sterilizing milk
CH48895A
(en )
1910-12-16
Procedure for activating any body
CH48096A
(en )
1910-09-16
Process for the preparation of nitrobenzene
CH48253A
(en )
1910-10-01
Process for preserving wood
FR14699E
(en )
1912-01-29
Aging process for eaux-de-vie
FR20847E
(en )
1919-07-22
Aging process for eaux-de-vie
CH51158A
(en )
1911-08-01
Process for processing profiled objects
AT32031B
(en )
1908-02-25
Process for refining sugar.
FR399181A
(en )
1909-06-23
Advanced brewing process