Title:
Venetian blind
Document Type and Number:
United States Patent 3141497

Inventors:
Fritz, Griesser
Publication Date:
07/21/1964
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Assignee:
GRIESSER AG
Primary Class:
International Classes:
E06B9/308; E06B9/32; E06B9/28
US Patent References:
1978152Traverse roller for venetian blinds
2152116Venetian blind
2374591Venetian blind
2405255Venetian blind
2520629Automatically operated venetian blind
2598887Lift roller for venetian blinds
Foreign References:
DE33551C




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