BE367329A
(en )
1930-02-28
Reinforced concrete device for roads and sidewalks
FR687700A
(en )
1930-08-12
Coupling device for pipes
FR725755A
(en )
1932-05-18
Meter for teaching
FR644609A
(en )
1928-10-11
Device for watering and cleaning streets and roads
FR649643A
(en )
1928-12-26
Device for road construction and maintenance
FR830318A
(en )
1938-07-27
Device for paving roads
FR644997A
(en )
1928-10-17
Quick coupler for flexible ties
FR695917A
(en )
1930-12-23
Device for the construction of roads, used for tarring stone gravel intended for road construction and similar purposes
FR676095A
(en )
1930-02-18
Sprinkler system for public roads
FR41117E
(en )
1932-12-01
Device for the construction of roads, used for tarring stone gravel intended for road construction and similar purposes
FR697834A
(en )
1931-01-22
Assembly device for formwork of concrete columns and pillars
FR777784A
(en )
1935-02-28
Method and device for establishing joints in concrete roads
FR705259A
(en )
1931-06-04
Sidewalk or shoulder edge
FR734431A
(en )
1932-10-21
Snow plows for clearing roads
FR719912A
(en )
1932-02-12
Tar for pavements and roads
FR702950A
(en )
1931-04-21
Device for establishing concrete roads and the like, comprising spreaders, docks and rollers
FR832309A
(en )
1938-09-26
Finishing device for roads and pavements
FR651924A
(en )
1929-03-01
Resistant paving stone, for pavements and mode of use of said
FR721106A
(en )
1932-02-29
Empioi of slate waste for road construction
FR668019A
(en )
1929-10-26
Portable instruments for weighing vehicles on roads
FR729018A
(en )
1932-07-16
New bituminous concrete for paving roads and pavements
FR43842E
(en )
1934-09-07
Coating for urban pavements and roads
FR620138A
(en )
1927-04-15
Orientation plan for cities and urban agglomerations
FR48741E
(en )
1938-06-21
Coating for urban pavements and roads
FR701666A
(en )
1931-03-20
layout of road junctions