Title:
Hoist
Document Type and Number:
United States Patent 2385276


Inventors:
Hart, Hannibal T.
Barber, Hastings A.
Burbeck, Everett W.
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Publication Date:
09/18/1945
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Assignee:
OLIVER IRON MINING COMPANY
Primary Class:
187/245
Other Classes:
187/406, 187/359
International Classes:
B66B9/06; E21D7/02; E21F13/00; E21D7/00