Fireman's extension ladder for roofs
United States Patent 2052439

Inventors:
Bailey, Arthur D.
Publication Date:
08/25/1936
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Assignee:
Bailey, Arthur D.
Primary Class:
182/189
Other Classes:
182/206
International Classes:
E06C1/12; E06C1/38; E06C9/08; E06C1/00; E06C9/00