Title:
Adjustable ladder attachment
United States Patent 2459437
US Patent References:
/0352716.html
- - 0352716

/0567755.html
- - 0567755

/0762658.html
- - 0762658

/0812620.html
- - 0812620


Inventors:
Kreissler, Earl E.
Wilkinson, Francis C.
Publication Date:
01/18/1949
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Assignee:
Kreissler, Earl E.
Wilkinson, Francis C.
Primary Class:
182/121
International Classes:
E06C7/16; E06C7/00