Traversing hoist
United States Patent 1890679

Inventors:
Hallenbeck, Harold E.
Publication Date:
12/13/1932
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Assignee:
GIFFORD WOOD COMPANY
Primary Class:
212/86
Other Classes:
200/85R, 200/330, 192/125B, 200/16A, 200/47, 254/270
International Classes:
B66C11/20; B66C11/00