CH16931A
(en )
1899-03-15
Cement-based slab, advanced, for tiles and coverings
CH17403A
(en )
1899-06-15
Interlocking cement tiles
ES22118A1
(en )
1898-02-16
Improvements in devices for the manufacture of bricks or tiles for pavements.
FR321794A
(en )
1903-01-20
Cement interlocking roof tile
CH17310A
(en )
1899-05-31
Cement roof interlocking tiles
DK3103C
(en )
1900-05-28
Machine for making roof tiles of cement and the like.
FR331405A
(en )
1903-09-12
Advanced Continuous Burning Portland Cement Kiln System
CH15981A
(en )
1898-09-15
Improved cement-based stair tread
CH13687A
(en )
1897-07-31
Refractory building blocks
CH4141A
(en )
1892-04-15
Improved machine for making hollow gypsum and cement bricks
FR399821A
(en )
1909-07-08
Double-shouldered glass slab, for reinforced cement slabs
CH19363A
(en )
1900-06-30
Shaped building stone
FR847E
(en )
1903-04-22
Building stone
CH33064A
(en )
1905-10-15
Cement slab for covering paths
CH16562A
(en )
1898-12-15
Interlocking tiles
FR335574A
(en )
1904-02-01
Reinforced cement slabs and floors
CH21764A
(en )
1901-09-30
Parallel interlocking tile
CH18675A
(en )
1900-02-15
Interlocking tiles
CH23165A
(en )
1902-06-15
Paving slab
CH31541A
(en )
1905-04-15
Cement concrete slab with asphalt pavement
FR12551E
(en )
1910-10-11
Reinforcement spacers for the construction of reinforced cement beams, columns and slabs with symmetrical reinforcement
FR396711A
(en )
1909-04-19
Stepped glass slab for reinforced cement slabs
CH20907A
(en )
1901-04-30
Interlocking tile
FR345465A
(en )
1904-12-01
Manufacturing system for profiled interlocking cement tiles, etc.
ES25799A1
(en )
1900-06-01
A new procedure for the manufacture of cement tiles with the marbling of marbles and other construction and ornamental stones.