FR457002A
(en )
1913-09-10
Method and apparatus for eliminating the rupture arc in switches
CH71668A
(en )
1916-02-01
Mold for establishing concrete constructions of generally conical shape
FR500408A
(en )
1920-03-12
Mold for making concrete beam elements
CH52664A
(en )
1911-12-16
Mold for the manufacture of concrete hollow beams
FR420447A
(en )
1911-01-30
Improvements in tooling for scratchers
FR422291A
(en )
1911-03-17
Mold for casting ingots
FR426397A
(en )
1911-07-05
Form for the manufacture of curved artificial stones for ceilings
FR426597A
(en )
1911-07-10
Mold for the manufacture of concrete poles
CH54496A
(en )
1912-06-01
Process for the preparation of orthonitrobenzaldehyde
FR430696A
(en )
1911-10-21
Device for the production of hollow bodies in the form of casings using solid ingots reddened
FR415813A
(en )
1910-10-05
Mold for hollow stone
FR470232A
(en )
1914-08-28
Mold for sand constructions
CH54504A
(en )
1912-06-01
Process for the preparation of indigo
FR471332A
(en )
1914-10-23
Umbrella casting and process for making it
FR429120A
(en )
1911-09-15
Mold for the manufacture of reinforced cement posts
FR412798A
(en )
1910-07-22
Duplex adjustable molds for concrete constructions
CH58819A
(en )
1913-04-16
Process for the establishment of reinforced concrete floors
FR475074A
(en )
1915-04-09
Process and molds for the construction of monolithic buildings
CH51221A
(en )
1911-08-16
Reinforced floor and method for establishing it
FR491127A
(en )
1919-05-22
Molding machines and molds for the manufacture of cement and concrete pipes
FR459563A
(en )
1913-11-08
Adjustable and removable mold for the manufacture of artificial stones
FR519257A
(en )
1921-06-07
Block slab for the construction of hollow masonry structures
FR433857A
(en )
1912-01-18
Process for the preparation of oxyhydrogen
CH55543A
(en )
1912-09-02
Process for the preparation of orthonitrophenylnitromethane
FR456147A
(en )
1913-08-18
Adjustable pressing mold for hats of any shape