Title:
Ladder joint construction
Document Type and Number:
United States Patent 3318413

Inventors:
Werner, Richard L.
Kocina, Lawrence A.
Publication Date:
05/09/1967
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Assignee:
WERNER CO INC R D
Primary Class:
182/46
International Classes:
E06C7/08; E06C7/00
US Patent References:
1195482
3115539Adapter for use in an access passage for electrical wiring systems
3208554Rung and side rail connection for ladders


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