Title:
Metal curtain
Document Type and Number:
United States Patent 2545400

Inventors:
White, Charles S.
Publication Date:
03/13/1951
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Assignee:
Wilson A. E.
Harry, Heiden J.
Primary Class:
160/133
International Classes:
E06B9/15; E06B9/11
US Patent References:
0876593
1579915Rolling shutter
1720850Roller shutter for shop fronts, doors, windows, and the like
Foreign References:
GB191016528A




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