|
US3561538A
|
|
Earth moving machine with depth and cross-shape controls
|
|
US3593806A
|
|
Clamping mechanism for road building machines or the like
|
|
US3566759A
|
|
Mounting arrangement for sidewalk building equipment or the like
|
|
US3439553A
|
|
Transmission
|
|
US3386303A
|
|
Servomechanism
|
|
US3512282A
|
|
Conveyor type loader
|
|
US3296722A
|
|
Automatic control system for construction vehicles
|
|
US3342446A
|
|
Grade wire support
|
|
US3346976A
|
|
Level control mechanism for road building machines
|
|
US3249026A
|
|
Construction machines
|
|
US3142915A
|
|
Automatic level control system for construction machines
|
|
US3158945A
|
|
Automatic level control system for construction machines
|
|
GB906755A
|
|
Improvements relating to machines for levelling land
|
|
US3230846A
|
|
Road building machines
|
|
US3155020A
|
|
Leveling control system for road building machines
|
|
US3057092A
|
|
Valve operating unit for a leveling system
|
|
US3065602A
|
|
Flow dividing system
|
|
US2952245A
|
|
Hydraulic power unit control system
|
|
US2971499A
|
|
Pendulum-actuated servo mechanism
|
|
US3000122A
|
|
Road builder
|
