Title:
Ventilated window
Document Type and Number:
United States Patent 2404807

Inventors:
Otto, Kubatzky
Publication Date:
07/30/1946
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Referenced by:
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Assignee:
Frank, Watkins W.
Primary Class:
160/91
Other Classes:
160/128, 454/225, 160/106, 49/67
International Classes:
E06B7/06; E06B7/02




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