Title:
Frameless storm windows
Document Type and Number:
United States Patent 2975491

Inventors:
Paul, Bert B.
Sigurdur, Petursson
Publication Date:
03/21/1961
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Referenced by:
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Assignee:
JACOBS & THOMPSON LTD
Primary Class:
52/202
International Classes:
E06B3/28; E06B3/04
US Patent References:
2716447Casement unit
Foreign References:
AT163232B
FR63700A
FR1074680A




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