US PATENT SUBCLASS 193 / 42
ROLLER JACKS


Current as of: June, 1999
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193 /   HD   CONVEYORS, CHUTES, SKIDS, GUIDES, AND WAYS

42ROLLER JACKS


DEFINITION

Classification: 193/42

(under the class definition) Unitary devices provided with a roller over which articles may be supported in loading, unloading, or stacking them.