CH75849A
(en )
1917-10-01
Method and device for the manufacture of articles from reinforced concrete
CH77319A
(en )
1918-08-16
Method and device for the manufacture of hulls from reinforced concrete
CH76292A
(en )
1917-12-01
Process for the manufacture of objects from concrete
CH79612A
(en )
1918-12-16
Method and device for manufacturing objects from concrete
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
CH75351A
(en )
1917-07-16
Method and device for the production of interchangeable photographs
CH76823A
(en )
1918-02-01
Method and device for the production of shoe protectors
CH78950A
(en )
1918-09-16
Method and device for producing soap powder from liquid soap
CH78054A
(en )
1918-10-01
Reinforced concrete stairs and method of making the same
AT76380B
(en )
1919-05-10
Process and system for the production of pre-doughs.
CH71921A
(en )
1916-08-01
Method and device for the production of soap powder
CH76307A
(en )
1917-12-01
Process for the production of flat structures from waste material
CH72152A
(en )
1916-04-01
Method and device for the production of sand-lime bricks
CH74747A
(en )
1917-09-01
Process for the preparation of ß-aminoanthraquinone
CH74730A
(en )
1917-04-02
Device for making ropes
CH69967A
(en )
1915-08-02
Method and device for the production of molded articles from fiber material
CH73108A
(en )
1917-01-16
Method and device for the production of cardboard boxes
CH76373A
(en )
1917-12-01
Process for the preparation of glycolyl-p-phenetidide
CH68557A
(en )
1915-04-01
Method and device for the production of moment X-rays
CH78049A
(en )
1918-10-01
Reinforced concrete ceiling and method of making the same
CH79838A
(en )
1919-01-16
Process for the production of flat structures from compressible material waste
CH72524A
(en )
1916-06-02
Method and device for making the bodies of embroidery machine boats
CH73661A
(en )
1916-11-01
Device for the production of concrete steps
CH54859A
(en )
1912-07-01
Method and device for the production of mineral water