CH3698A
(en )
1891-11-30
Advanced apparatus for the electrolysis of aluminum chloride
CH4598A
(en )
1892-06-30
Aluminum Welded Aluminum Watch Boxes
CH16442A
(en )
1898-11-30
Advanced apparatus for the electrolytic production of metal alloys
CH1911A
(en )
1890-06-14
Advanced device for the purification of anhydrous double aluminum chlorides
CH12742A
(en )
1897-02-15
Apparatus for the production of acetylene
FR342632A
(en )
1904-09-13
Apparatus for the production of gelatin images
CH12477A
(en )
1896-12-31
An apparatus for the production of acetylene
CH13232A
(en )
1897-05-15
Apparatus for the production of letterpress plates reproducing photographic plates
CH12316A
(en )
1896-11-30
New apparatus for the manufacture of acetylene
FR331798A
(en )
1903-10-01
Process for welding aluminum
CH52902A
(en )
1912-01-02
Apparatus for the production of aluminum azide
CH61834A
(en )
1913-10-16
Apparatus for the production of aluminum azide
CH66640A
(en )
1914-10-01
Apparatus for the production of aluminum nitride
FR347224A
(en )
1905-02-28
Apparatus for detecting the shape of bodies
CH11405A
(en )
1896-06-30
Apparatus for the manufacture of tubes and sheets of copper and other metals by electrolysis
CH13521A
(en )
1897-07-15
Apparatus for the production of acetylene
CH12888A
(en )
1897-03-15
Apparatus for the manufacture of sleeves in aluminum and other metals or alloys, intended for drawing
FR336354A
(en )
1904-03-07
Welding for aluminum or aluminum alloys
CH12245A
(en )
1896-11-15
Advanced apparatus for electrolysis
CH13414A
(en )
1897-06-30
Self-regulating device for the production of acetylene
CH12244A
(en )
1896-11-30
Apparatus for the production of ozone
FR336492A
(en )
1904-03-10
Apparatus for the production of acetylene
CH23115A
(en )
1902-05-31
Electrolytic apparatus for obtaining chlorates using metal chlorides
CH17343A
(en )
1899-05-31
Apparatus for the production of acetylene
CH14171A
(en )
1897-10-31
Apparatus for the production of acetylene