CH13073A
(en )
1897-04-15
Apparatus for the treatment of visual impairments
CH12244A
(en )
1896-11-30
Apparatus for the production of ozone
FR364978A
(en )
1906-09-01
Apparatus for electrolysis of liquids
CH16849A
(en )
1899-02-28
Device for the treatment of impotence
FR360416A
(en )
1906-04-21
Mechanotherapy device for the treatment of lateral deviations of the spine
FR379129A
(en )
1907-10-25
Apparatus for electrolysis of liquids
FR376151A
(en )
1907-08-02
Method and apparatus for the distillation and treatment of spirits
FR342295A
(en )
1904-09-03
Apparatus for the production of ozone
FR358991A
(en )
1906-03-13
Method and apparatus for water purification
CH12245A
(en )
1896-11-15
Advanced apparatus for electrolysis
FR10191E
(en )
1909-05-12
Method and apparatus for the distillation and treatment of spirits
FR358105A
(en )
1906-01-29
Method and apparatus for the purification and sterilization of drinking water
FR327095A
(en )
1903-06-13
Method and apparatus for separating oils and other similar impurities from water
FR335633A
(en )
1904-02-03
Method and apparatus for the electrolysis of alkali chlorides
FR353304A
(en )
1905-09-08
Apparatus for the electrolysis of alkali chlorides
CH30743A
(en )
1905-01-31
Apparatus for the electrolysis of alkali chlorides
FR328155A
(en )
1904-02-08
Apparatus for purification of water by electrolysis
FR374152A
(en )
1907-06-06
Method and apparatus for instant sterilization of potable water by ozone
FR348866A
(en )
1905-05-01
Apparatus for the treatment of pyrites
FR370718A
(en )
1907-02-18
Apparatus for electrolysis of liquids
FR332366A
(en )
1903-10-27
Apparatus for the distillation of water
FR399713A
(en )
1909-07-06
Method and apparatus for the purification of water by centrifugal action
CH12044A
(en )
1896-09-30
Apparatus for the mechanical treatment of rectal disorders
FR343139A
(en )
1904-09-26
Apparatus for separating fat and water from steam
FR338586A
(en )
1904-05-28
Apparatus and method for the purification and sterilization of drinking and waste water