CH77144A
(en )
1918-08-01
Process for the production of buttons of all kinds with a polished surface
CH59756A
(en )
1913-06-02
Process for the production of multi-colored rubber suction cups
CH74665A
(en )
1917-04-02
Process for the production of drive belts
CH59791A
(en )
1913-06-02
Process for the production of hulls of all kinds
CH76586A
(en )
1918-01-16
Process for the production of cork boards
CH67437A
(en )
1914-12-01
Process for the production of all kinds of matches
CH74612A
(en )
1917-03-16
Process for the production of twisted buttons (laundry buttons) with inlays
CH73203A
(en )
1916-09-01
Process for the production of relief maps with printing
CH75897A
(en )
1917-10-01
Process for the production of drive belts
CH75235A
(en )
1917-06-16
Process for the production of embroidery with tulle appliqué
CH75333A
(en )
1917-12-01
Process for the production of etched embroidery
CH72948A
(en )
1916-08-01
Process for the production of reversible shoes
CH73574A
(en )
1916-10-16
Process for the production of oxygen
CH79939A
(en )
1919-01-16
Process for the production of fibers
CH75534A
(en )
1917-08-01
Process for the production of etched figures
CH73591A
(en )
1916-10-16
Process for the production of colored stereo images
CH72628A
(en )
1916-06-16
Process for the production of antimonies
CH72366A
(en )
1916-10-16
Process for the production of tops
CH74391A
(en )
1917-02-16
Process for the production of high-performance thermocouples with copper sulphide as a positive component
CH77232A
(en )
1918-03-16
Process for the production of textile fibers
CH77919A
(en )
1918-06-01
Process for the production of footwear running parts
CH75657A
(en )
1917-09-01
Process for the production of a sole leather substitute material
CH78372A
(en )
1918-07-16
Process for the manufacture of stamps
CH76206A
(en )
1917-11-16
Process for the reproduction of surface patterns
CH82479A
(en )
1919-12-01
Process for the production of a grinding and polishing article