CH79600A
(en )
1918-12-02
Artificial honeycomb with an insert extending over the entire honeycomb surface and a method for producing the same
CH74811A
(en )
1917-04-16
Device for producing brushwood waves and the like
CH74730A
(en )
1917-04-02
Device for making ropes
CH76908A
(en )
1918-02-16
Burning briquette and process for making the same
CH75351A
(en )
1917-07-16
Method and device for the production of interchangeable photographs
AT88422B
(en )
1922-05-10
Process for producing true colorations and prints.
CH76294A
(en )
1917-11-16
Briquette and method of making the same
CH80574A
(en )
1919-03-17
Belts and methods of making the same
CH76103A
(en )
1917-11-01
Method and device for the production of paper bags
CH53116A
(en )
1912-02-01
Method and device for the production of bodies provided with helical surfaces
CH73443A
(en )
1917-03-16
Process for the production of artificial slates
CH78054A
(en )
1918-10-01
Reinforced concrete stairs and method of making the same
CH76772A
(en )
1918-06-17
Electric radiator, and method and device for producing the same
CH77761A
(en )
1918-05-16
Method and device for shredding sticks and for producing sticks
CH56157A
(en )
1912-10-01
Combination photographic negative and method of making the same
CH77319A
(en )
1918-08-16
Method and device for the manufacture of hulls from reinforced concrete
CH76453A
(en )
1918-01-16
Process for producing the toothing on bevel gears
CH70797A
(en )
1915-10-16
Process for making diaphanous watercolors
CH61444A
(en )
1913-09-16
Device for making impressions
CH82425A
(en )
1919-10-01
Method and device for manufacturing insoles provided with sewn lips
CH74622A
(en )
1917-03-16
Medicinal herb insole and method for making the same
CH76823A
(en )
1918-02-01
Method and device for the production of shoe protectors
CH69727A
(en )
1915-07-16
Method and device for the production of hollow stones with helical inner ribs
CH74348A
(en )
1917-02-16
Toy top with device for starting the same
CH72736A
(en )
1916-06-16
Method and device for the production of photographic images which are composed of several recordings