Title:
Aluminum ladder
Document Type and Number:
United States Patent 2040977
Inventors:
Carbis, Samuel H.
Plaque It!
Sponsored by: Flash of Genius |
Publication Date:
05/19/1936
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Referenced by:
Export Citation:
Assignee:
ALUMINUM LADDER CO
Primary Class:
International Classes:
E06C1/12; E06C7/08; E06C1/00; E06C7/00