CH77534A
(en )
1918-05-01
Method and device for feeding the material in electro-osmotic drainage devices
CH74311A
(en )
1917-02-16
Device for hanging pictures and the like
CH81453A
(en )
1919-06-16
Method and device for registering loose documents and the like
CH78953A
(en )
1918-09-16
Method and device for binding books and the like
CH74343A
(en )
1917-06-01
Device for cutting ovals and circles
CH80514A
(en )
1919-03-17
Method and device for mechanically dividing peat
CH77384A
(en )
1918-04-16
Method and device for making used envelopes reusable
CH61499A
(en )
1913-10-01
Method and device for drying material
CH74127A
(en )
1917-01-16
Method and device for evaporating liquids
CH76369A
(en )
1917-12-01
Device for relieving flatulence in animals
CH80076A
(en )
1919-02-01
Method and device for heating substances in any container
CH74442A
(en )
1917-06-16
Method and device for homogenizing
CH79177A
(en )
1918-10-16
Device for electroosmotic drainage
CH78546A
(en )
1918-08-01
Device for electroosmotic drainage
CH76099A
(en )
1918-03-16
Method and device for processing animal waste
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
CH77576A
(en )
1918-05-01
Method for processing substances mixed with liquid and device for carrying out the same
CH73664A
(en )
1916-11-01
Device for saving heating material
CH75008A
(en )
1917-05-16
Device for saving heating material
AT87324B
(en )
1922-02-25
Method and device for making trains in tubes.
CH67717A
(en )
1915-01-16
Device for peeling potatoes and the like
AT96187B
(en )
1924-02-25
Method and device for throwing mortar.
CH81899A
(en )
1919-12-16
Extraction process and facility for carrying out the process
CH72071A
(en )
1916-03-16
Device for holding strips provided with inscriptions