CH64705A
(en )
1914-04-16
Method and device for dry egg preservation
CH58178A
(en )
1913-02-17
Method and device for keeping mustard fresh
CH61499A
(en )
1913-10-01
Method and device for drying material
CH74478A
(en )
1917-03-01
Method and device for room cooling
CH75130A
(en )
1917-06-01
Method and device for cleaning animals
CH68035A
(en )
1915-02-01
Method and device for making the knots of oriental carpets
CH55750A
(en )
1912-09-02
Method and device for cleaning raw table salt
CH57505A
(en )
1913-01-16
Device for tilting demijohns and the like of various sizes
CH73108A
(en )
1917-01-16
Method and device for the production of cardboard boxes
CH76103A
(en )
1917-11-01
Method and device for the production of paper bags
CH75652A
(en )
1918-02-01
Device for making butter
CH79612A
(en )
1918-12-16
Method and device for manufacturing objects from concrete
CH77384A
(en )
1918-04-16
Method and device for making used envelopes reusable
CH57547A
(en )
1913-01-16
Method and device for the evaporation of liquids
CH80085A
(en )
1919-06-02
Method and device for the production of cardboard boxes
CH74442A
(en )
1917-06-16
Method and device for homogenizing
CH60527A
(en )
1913-07-16
Method and device for yeast preparation
CH66499A
(en )
1914-09-16
Method and device for treating solutions with gases
CH79346A
(en )
1919-01-16
Method and device for determining the exposure time in photographic recordings
CH73922A
(en )
1916-12-16
Method and device for producing lateral cutouts in paper strips
CH76823A
(en )
1918-02-01
Method and device for the production of shoe protectors
CH66501A
(en )
1914-09-16
Method and device for carrying out electroosmotic processes
CH74127A
(en )
1917-01-16
Method and device for evaporating liquids
CH72456A
(en )
1916-05-16
Method and device for separating different types of material
CH61091A
(en )
1913-09-01
Method and apparatus for eliminating the influence of inertia on selenium cells