CH29123A
(en )
1904-07-15
Iron insert for concrete-iron structures
FR334904A
(en )
1904-01-06
T-beam with corrugated core for concrete constructions
CH27899A
(en )
1904-02-29
Reinforced concrete beam
AT25791B
(en )
1906-09-25
Insert for ceilings made of reinforced concrete.
CH29124A
(en )
1904-07-15
Concrete beams with iron or steel fittings
CH29395A
(en )
1904-08-15
Reinforced concrete pipe
FR339178A
(en )
1904-12-19
Synthetic asphalt
FR332772A
(en )
1903-11-06
Synthetic asphalt
ES32542A1
(en )
1903-10-16
Improvements made to T-shaped iron beams with wavy web.
CH29383A
(en )
1904-08-15
Reinforced concrete beam
FR329403A
(en )
1903-07-30
Pilot in reinforced cement
CH29267A
(en )
1904-08-31
Roof construction
FR338524A
(en )
1904-05-26
Reinforcement for reinforced constructions
CH25836A
(en )
1903-08-15
Reinforcement for reinforced constructions
FR339840A
(en )
1904-06-20
Reinforced concrete floor
CH27254A
(en )
1903-12-31
Reinforced concrete floor
CH499E
(en )
1905-04-30
Sink roller for hydraulic engineering purposes
CH29125A
(en )
1904-07-15
Sink roller for hydraulic engineering purposes
CH26073A
(en )
1903-07-31
Reinforced concrete ceiling
CH28468A
(en )
1904-04-30
Reinforced construction element
AT23736B
(en )
1906-04-10
Reinforced concrete ceiling.
FR3147E
(en )
1904-09-10
Micro-reinforced cement
FR331368A
(en )
1903-09-10
Havresbag for schoolchildren
CH26770A
(en )
1904-03-15
Knothole tenons
FR331736A
(en )
1903-09-28
Improvements to reinforced concrete structures