Title:
Stair construction
United States Patent 2936863
Inventors:
Holzer, Frederick L.
Publication Date:
05/17/1960
Export Citation:
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Assignee:
Holzer, Frederick L.
Primary Class:
52/191
Other Classes:
D25/63
International Classes:
E04F11/025; E04F11/02
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US Patent References:
1701659Metallic-stair construction
0833746N/A
Foreign References:
GB424200A