Title:
Ladder
United States Patent 3340960
US Patent References:
/0463218.html
- - 0463218

/0907401.html
- - 0907401

/1094213.html
- - 1094213

Ladder jack
- - 2578862

Ladder attachment
- - 2788930


Inventors:
Wilson, Louis F.
Publication Date:
09/12/1967
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Assignee:
Wilson, Louis F.
Primary Class:
182/39
Other Classes:
182/12, 182/117, 182/163
International Classes:
E06C1/397; E06C1/00
US Patent References:
2800371Ratchet ladder
2871067Stand-on platform for a ladder
2902110Ladder construction
3232375Self-propelled scaffold
Foreign References:
GB646868A