Expired_Patent:
BK Fifty Drag Shovel
Expired_Patent:
BK Fifty Face Shovel
Expired_Patent:
BK Fifty Dragline
Expired_Patent:
Foden FC20 Crane Carrier with Smith Excavator
Expired_Patent:
Foden FC20 Crane Carrier with Ruston Bucyrus Excavator
Expired_Patent:
Blaw Knox BK Fifty Skimmer
Expired_Patent:
Smith 8 Excavator
Expired_Patent:
Murdoch McKenzie Ruston Bucyrus Dragline
Expired_Patent:
NCK Dragline
Expired_Patent:
Osgood 200
Expired_Patent:
Smith 8 Universal Excavator
Expired_Patent:
1950s Machine Operator's Timesheet
Expired_Patent:
Shawnee Poole for Plant Hire
Expired_Patent:
Priestman Dredger
Expired_Patent:
AEC Dumptruk Hire 1962
Expired_Patent:
AEC 18 Cubic Yard Dumptruk
Expired_Patent:
AEC Dumptruk and Shovel
Expired_Patent:
AEC 1100 Model 4HDK4LA 15 Cubic Yard Dumptruk
Expired_Patent:
NOBAS UB 80 / UB 83 Excavator
Expired_Patent:
Chaseside Dumper being loaded by a 10 RB skimmer