P & H
TRAVELING CRANES, HOISTS, GANTRY CRANES, HAND TRAVELING CRANES, CHAINBLOCK TROLLEYS, GRAB-BUCKET HOISTS AND MONO-RAIL SYSTEMS, GRAB-BUCKET CRANES, SINGLE-LINE GRAB BUCKETS, LUMBER HOISTS AND MONO-RAIL SYSTEMS, LUMBER CRANES, PORTAL JIB CRANES; POWER SHOVELS, INCLUDING BACK-ACTING SHOVELS; SKIMMER SCOOPS, DRAG-LINE EXCAVATORS, EXCAVATOR CRANES, TRUCK CRANES, CLAMSHELL TRENCHERS (WHEEL TYPE), TRENCHERS (LADDER TYPE), DITCH CLEANERS, PILE DRIVERS, BACK FILLERS, ELEVATOR HOISTS, AND DERRICKS
Expired · September 16, 1966 · 72254604 ·