CH17635A
(en )
1899-07-31
Concrete girders with embedded iron framework
CH16727A
(en )
1899-01-31
Support beam with iron framework embedded in cement
CH19045A
(en )
1900-04-30
Concrete beams with iron reinforcement
CH28865A
(en )
1904-06-15
Reinforced concrete stairs
CH21602A
(en )
1901-11-30
Toe strip with toe plate and gravel protection strip for wood cement roofs
CH16764A
(en )
1899-01-31
Mortar
CH15978A
(en )
1898-09-15
Zigzag iron insert for load-bearing components made of concrete, cement or other equivalent materials
CH20003A
(en )
1900-10-31
Concrete structure with joint iron inserts
CH29375A
(en )
1904-08-15
Reinforced concrete railway sleeper
CH17403A
(en )
1899-06-15
Interlocking cement tiles
CH17812A
(en )
1899-08-31
Tie
FR329403A
(en )
1903-07-30
Pilot in reinforced cement
CH20066A
(en )
1900-11-15
Building construction part
GB190112014A
(en )
1901-07-13
Improvements in Concrete Floors
FR10E
(en )
Improvements to reinforced concrete floors
CH27899A
(en )
1904-02-29
Reinforced concrete beam
CH15987A
(en )
1898-08-31
Artificial building blocks
FR335574A
(en )
1904-02-01
Reinforced cement slabs and floors
CH18812A
(en )
1900-06-30
Building block
CH17861A
(en )
1899-08-31
Iron railway bridge
CH17310A
(en )
1899-05-31
Cement roof interlocking tiles
FR335417A
(en )
1904-01-25
Protective gutter in reinforced cement
FR335697A
(en )
1904-02-05
Reinforced cement concrete siphon-stool
CH32083A
(en )
1905-06-15
Iron-reinforced concrete rod
CH601E
(en )
1906-11-30
Iron-reinforced concrete rod