Apparatus for supporting and bracing ladders
United States Patent 2722360
US Patent References:
/0473768.html
- - 0473768

/0849745.html
- - 0849745

/0942347.html
- - 0942347

Scaffold bracket
- - 1650324

Fire escape ladder
- - 1813865


Inventors:
Malm, Royal D.
Publication Date:
11/01/1955
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Assignee:
CLAYTON MARK & COMPANY
Primary Class:
182/214
Other Classes:
182/108
International Classes:
E06C1/36; E06C7/48; E06C1/00; E06C7/00
US Patent References:
2432781Ladder attachment
2541343Supporting means for ladders and scaffolds
2592006Prop attachment for ladders