|
US1886748A
|
|
Process and machine for road-making
|
|
US1739804A
|
|
Apparatus for spreading and leveling road materials
|
|
US1788748A
|
|
Method of making concrete piles
|
|
US1809360A
|
|
Concrete pile and similar structure
|
|
US1809359A
|
|
Method of waterproofing piles
|
|
US1733699A
|
|
Method of producing concrete structures
|
|
US1670826A
|
|
Construction of surfacings for roadways, sidewalks, and the like
|
|
US1639276A
|
|
Roadway construction
|
|
US1331217A
|
|
Hydraulic concrete structure
|
|
US1367719A
|
|
Concrete-mixer
|
|
US1265259A
|
|
Pavement composition and structure.
|
|
US1299238A
|
|
Wooden paving-block.
|
|
US1001695A
|
|
Pavement.
|
|
US912898A
|
|
Street pavement or roadway.
|
|
CA201011A
|
|
Hydraulic concrete
|
|
CA230324A
|
|
Manufacture of concrete piling
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