Title:
Frame structure
United States Patent 3184802
Inventors:
William, Levy
Publication Date:
05/25/1965
Export Citation:
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Assignee:
William, Levy
Primary Class:
52/656.1
Other Classes:
160/135, D25/61
International Classes:
E06B7/28; E06B7/00
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US Patent References:
2719341Windows
1892492Frame
0286243N/A
Foreign References:
GB229079A
GB361114A