|
US1741825A
|
|
Earth-mold-making machine
|
|
US1768663A
|
|
Earth-mold-making machine
|
|
US1704382A
|
|
Machine for preparing bases for rails and the like
|
|
US1584727A
|
|
Railroad vehicle
|
|
US1676477A
|
|
Road-form connection
|
|
US1611412A
|
|
Concrete-road-finishing machine
|
|
US1648637A
|
|
Machine for preparing bases for rails and the like
|
|
US1457299A
|
|
Concrete-road machine
|
|
US1644511A
|
|
Concrete-road machine
|
|
US1629611A
|
|
Concrete-road machine
|
|
US1499150A
|
|
Process for constructing monoliths
|
|
US1444108A
|
|
Road machine
|
|
US1501039A
|
|
Apparatus for compacting concrete
|
|
US1282043A
|
|
Templet for concrete-tampers.
|
|
US1203482A
|
|
Concrete-tamper.
|
