FR426597A
(en )
1911-07-10
Mold for the manufacture of concrete poles
FR447678A
(en )
1913-01-11
Mold for the manufacture of reinforced concrete piles
CH47075A
(en )
1910-05-16
Machine for the production of concrete hollow bricks
FR426397A
(en )
1911-07-05
Form for the manufacture of curved artificial stones for ceilings
FR429120A
(en )
1911-09-15
Mold for the manufacture of reinforced cement posts
FR415813A
(en )
1910-10-05
Mold for hollow stone
FR405811A
(en )
1910-01-14
Machine for the manufacture of concrete slabs and hollow bricks
FR475147A
(en )
1915-04-16
Molds for the construction of concrete buildings
CH53379A
(en )
1912-03-01
Process for the manufacture of reinforced concrete pillars
FR379316A
(en )
1907-11-05
Mold for making reinforced concrete beams
FR412798A
(en )
1910-07-22
Duplex adjustable molds for concrete constructions
CH52232A
(en )
1911-11-01
Tools for the manufacture of hollow concrete blocks
FR471798A
(en )
1914-11-11
Machine for the production of hollow stones
FR462023A
(en )
1914-01-17
Mold for the manufacture of perforated stone
FR427546A
(en )
1911-08-05
Process for the manufacture of xylolite
FR468656A
(en )
1914-07-11
Apparatus for the manufacture of concrete piles
FR475074A
(en )
1915-04-09
Process and molds for the construction of monolithic buildings
FR491127A
(en )
1919-05-22
Molding machines and molds for the manufacture of cement and concrete pipes
FR475106A
(en )
1915-04-16
Molds for the construction of monolithic buildings
FR428950A
(en )
1911-09-11
Process for the manufacture of reinforced cement hollow posts
FR414710A
(en )
1910-09-09
Process for the manufacture of paving stones
FR422694A
(en )
1911-03-28
Process for the manufacture of reinforced soles
FR500408A
(en )
1920-03-12
Mold for making concrete beam elements
FR456672A
(en )
1913-09-02
Press for the manufacture of bricks, slabs or artificial stones
FR465552A
(en )
1914-04-20
Mold for the manufacture of compressed cement tiles