MODULAR RAILING ASSEMBLY
United States Patent 3491984
US Patent References:
Joint-lock
- - 1376150

Metallic railing structure
- - 2771276

Railing structure
- - 2808233

Railing construction
- - 3033532

Railing
- - 3313527


Inventors:
Nyberg, Wendall J.
Publication Date:
01/27/1970
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Assignee:
NORTH AMERICAN ALUMINUM CORP
Primary Class:
256/21
Other Classes:
D25/38, 256/65.040
International Classes:
E04F11/18; E04C1/24; E04H17/16
Foreign References:
BE570543A




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