Title:
Ladder attachment step
United States Patent 2439185
Inventors:
Patt, Conrad J.
Publication Date:
04/06/1948
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Assignee:
Patt, Conrad J.
Primary Class:
182/121
Other Classes:
248/210
International Classes:
E06C7/16
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US Patent References:
2415289Folding step for ladders
2282133Supporting attachment for ladders
1501298Ladder bracket
1462086Ladder attachment
0711384N/A
0221780N/A
Foreign References:
FR35926A