CH75351A
(en )
1917-07-16
Method and device for the production of interchangeable photographs
CH76103A
(en )
1917-11-01
Method and device for the production of paper bags
CH74229A
(en )
1917-02-01
Method and device for the production of soap powder
CH74234A
(en )
1917-02-01
Process and device for the production of embossed imitations
CH72805A
(en )
1916-07-01
Firelighter and method of making the same
CH57596A
(en )
1913-01-16
Method and device for the production of rings with setting
CH73108A
(en )
1917-01-16
Method and device for the production of cardboard boxes
CH54274A
(en )
1912-05-17
Method and device for the production of mica sheets
CH72736A
(en )
1916-06-16
Method and device for the production of photographic images which are composed of several recordings
CH57594A
(en )
1913-01-16
Method and device for the production of reliefs
CH68557A
(en )
1915-04-01
Method and device for the production of moment X-rays
CH71921A
(en )
1916-08-01
Method and device for the production of soap powder
CH76823A
(en )
1918-02-01
Method and device for the production of shoe protectors
CH56157A
(en )
1912-10-01
Combination photographic negative and method of making the same
CH53116A
(en )
1912-02-01
Method and device for the production of bodies provided with helical surfaces
CH75849A
(en )
1917-10-01
Method and device for the manufacture of articles from reinforced concrete
CH61865A
(en )
1913-10-16
Process and device for the production of molded artificial stone
CH72152A
(en )
1916-04-01
Method and device for the production of sand-lime bricks
AT76380B
(en )
1919-05-10
Process and system for the production of pre-doughs.
CH58348A
(en )
1913-03-01
Method and apparatus for manufacturing pressed bodies
CH72524A
(en )
1916-06-02
Method and device for making the bodies of embroidery machine boats
CH76294A
(en )
1917-11-16
Briquette and method of making the same
CH78372A
(en )
1918-07-16
Process for the manufacture of stamps
CH59359A
(en )
1913-05-02
Method and device for the production of glass vessels
CH74478A
(en )
1917-03-01
Method and device for room cooling