Title:
Foldable ladder
United States Patent 2567302
Inventors:
Karel, Sip
Publication Date:
09/11/1951
Export Citation:
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Assignee:
Karel, Sip
Primary Class:
182/104
Other Classes:
182/157, 211/202
International Classes:
E06C1/54; E06C1/00
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US Patent References:
0544520N/A
0196679N/A
0046042N/A
0040500N/A
Foreign References:
AT41130B