Title:
Free lift hoist
United States Patent 2618360

Inventors:
Macdonald, William W.
Publication Date:
11/18/1952
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Assignee:
PETERBILT MOTORS COMPANY
Primary Class:
187/226
Other Classes:
414/621, 187/237
International Classes:
B66F9/08; B66F9/18
Other References:
None