|
US1490122A
|
|
Batch box
|
|
US1715739A
|
|
Concrete-working apparatus
|
|
US1743114A
|
|
Concrete-placing apparatus
|
|
US1665054A
|
|
Finishing machine
|
|
US1646552A
|
|
Driving mechanism for track-laying vehicles
|
|
US1619626A
|
|
Discharge mechanism for mixers
|
|
US1563650A
|
|
Industrial truck
|
|
US1677877A
|
|
Concrete-road machine
|
|
US1551837A
|
|
Tower erection derrick
|
|
US1408383A
|
|
Batch box
|
|
US1683382A
|
|
Concrete-road machine
|
|
US1453059A
|
|
Coupling
|
|
US1496874A
|
|
Electric controller
|
|
US1375462A
|
|
Locking device for dumping-hoppers
|
|
US1678624A
|
|
Concrete-road machine
|
|
US1432299A
|
|
Industrial truck
|
|
US1347891A
|
|
Bail
|
|
US1331484A
|
|
Method and apparatus for cleaning conveyer-belts
|
|
US1432296A
|
|
Truck
|
|
US1295849A
|
|
Material-transferring apparatus.
|
