Title:
Extension ladder
United States Patent 1964067

Inventors:
Leach, Elbert C.
Hamren, Eric O.
Publication Date:
06/26/1934
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Assignee:
LEACH COMPANY
Primary Class:
182/213
Other Classes:
182/229, 248/188.900, 182/46, 182/214, 182/108
International Classes:
E06C1/12; E06C1/34; E06C7/48; E06C1/00; E06C7/00