CH75825A
(en )
1917-10-01
Device for producing foam for fire extinguishing purposes
CH70182A
(en )
1915-09-01
Process for the production of upholstery wool
CH73389A
(en )
1916-10-02
Kaleidoscopic projection apparatus for generating surface patterns for handicraft drawing and teaching purposes
CH71427A
(en )
1916-08-01
Device for making plaster ceilings
CH74730A
(en )
1917-04-02
Device for making ropes
CH73171A
(en )
1916-09-01
Device for the construction of walls by means of cladding
CH71918A
(en )
1916-03-01
Process for the production of aluminum hydroxide
CH67393A
(en )
1914-12-01
Method of making fire lighters
CH71979A
(en )
1916-03-16
Mobile rescue apparatus for fire fighting purposes
CH72432A
(en )
1916-05-16
Fire alarm
CH73591A
(en )
1916-10-16
Process for the production of colored stereo images
CH74295A
(en )
1917-02-01
Kaleidoscopic projection apparatus for generating surface patterns for handicraft drawing and teaching purposes
CH74294A
(en )
1917-02-01
Kaleidoscopic projection apparatus for generating surface patterns for handicraft drawing and teaching purposes
FR481671A
(en )
1917-01-05
Safety razor
CH54092A
(en )
1912-05-01
process for the manufacture of fire starters
CH71920A
(en )
1916-03-01
Process for emulsifying wax
AT87485B
(en )
1922-02-25
Method of making latticework.
AT87483B
(en )
1922-02-25
Method of making latticework.
CH70657A
(en )
1915-10-16
Improved safety razor
CH75079A
(en )
1917-06-01
Equipment on mouthpieces for cigars and cigarettes to eliminate the fire hazard of the latter
CH78790A
(en )
1918-09-02
Process for the production of emulsion for technical purposes
FI6004A
(en )
1915-01-28
Fire
AT88477B
(en )
1922-05-26
Process for the production of alkali percarbonates.
CH72640A
(en )
1916-06-16
Process for the production of macroscopic permanent specimens
CH68327A
(en )
1915-03-01
Process for the production of dichloro-o-cresyl carbonate