CH83517A
(en )
1919-12-16
Method and device for the production of photographs of terrain from aircraft
CH158174A
(en )
1932-11-15
Method and device for the production of road surfaces.
CH86573A
(en )
1920-09-01
Process for the production of gravure forms.
CH80792A
(en )
1919-04-01
Firestone and method of making the same
CH81893A
(en )
1919-08-01
Method of making embroidery
CH82935A
(en )
1919-11-01
Device for the production of moldings
AT102642B
(en )
1926-02-25
Method and device for the production of squibs.
CH81594A
(en )
1919-06-16
Pan-like device for making Knöpfli
CH80085A
(en )
1919-06-02
Method and device for the production of cardboard boxes
CH80802A
(en )
1919-09-16
Method and device for the production of combustible gas with the recovery of by-products
CH79146A
(en )
1918-10-01
Method of making briquettes
CH76103A
(en )
1917-11-01
Method and device for the production of paper bags
CH80791A
(en )
1919-04-16
Structure and method of manufacturing the same
CH82977A
(en )
1919-11-01
Device for the production of soap powder
AT89534B
(en )
1922-09-25
Method and device for the production of oak wood imitations.
CH72736A
(en )
1916-06-16
Method and device for the production of photographic images which are composed of several recordings
CH78530A
(en )
1918-08-01
Method of making aerial embroidery
CH80255A
(en )
1919-02-17
Method and device for manufacturing horseshoes with studs
CH79747A
(en )
1919-01-02
Method of making hoes and similar devices
CH82936A
(en )
1919-11-01
Key and method of making the same
CH79341A
(en )
1918-11-01
Method and device for the extraction of shale oils
CH82470A
(en )
1919-10-01
Device for the production of bodies of revolution of any surface lines
CH78950A
(en )
1918-09-16
Method and device for producing soap powder from liquid soap
CH82797A
(en )
1919-10-16
Device for the production of angular box parts
CH79496A
(en )
1918-12-02
Method and device for the production of hollow bodies from paper stock