Title:
Self-supporting extension ladder
Document Type and Number:
United States Patent 1496201
Inventors:
Baxter, Charles E.
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Publication Date:
06/03/1924
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Assignee:
Russell, Webster O.
Primary Class:
Other Classes:
182/172, 182/117, 182/175, 182/108
International Classes:
E06C1/20; E06C1/32; E06C7/42; E06C1/00; E06C7/00