Title:
Door and hoist mechanism for hatchways
United States Patent 1592351


Inventors:
Fleck, August F.
Application Number:
US67454123A
Publication Date:
07/13/1926
Filing Date:
11/13/1923
Assignee:
WASHBURN & GRANGER INC
Primary Class:
Other Classes:
52/121, 52/123.1, 187/337, 254/329
International Classes:
B66B13/20
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