CH34390A
(en )
1906-04-15
Apparatus for generating ozone
CH29342A
(en )
1904-08-15
Apparatus for generating air gas
CH30787A
(en )
1905-01-31
Apparatus for generating compressed air
CH30788A
(en )
1905-01-31
Apparatus for generating compressed air
CH30878A
(en )
1905-02-15
Apparatus for generating air gas
CH36715A
(en )
1907-02-15
Generator system for the production of water gas
GB190615729A
(en )
1907-01-31
An Improvement in or relating to Optical Projection Apparatus
CH42180A
(en )
1909-01-02
Apparatus for displaying ozone
CH43631A
(en )
1909-06-01
Method and apparatus for the production of ozone
CH34638A
(en )
1906-05-15
Apparatus for mixing gases
CH39023A
(en )
1908-01-16
Apparatus for generating hot water and hot air
CH32792A
(en )
1905-09-15
Retort for generating gases
CH34904A
(en )
1906-06-15
Apparatus for the permanent extension of limbs
CH27649A
(en )
1904-01-31
Apparatus for producing steel chips
AT23596B
(en )
1906-03-26
Process for cleaning generator gas.
CH24100A
(en )
1902-11-15
Apparatus for generating gas
CH41586A
(en )
1908-11-02
Apparatus for the manufacture of calcium carbide
CH43003A
(en )
1909-03-16
Apparatus for making dowsong gas
CH34222A
(en )
1906-03-31
Apparatus for making synthetic threads
CH33796A
(en )
1906-01-15
Apparatus for scrubbing gases
DK11217C
(en )
1908-09-07
Apparatus for the Production of Ozone in Liquids.
CH33228A
(en )
1906-03-31
Apparatus for making folding boxes
CH30601A
(en )
1905-01-15
Apparatus for the production of barium hydroxide
CH34383A
(en )
1906-04-30
Apparatus for playing string instruments
CH43485A
(en )
1909-05-17
Apparatus for making blueprints