Title:
Venetian blind tilting device
Document Type and Number:
United States Patent 2533505
Publication Date:
12/12/1950
Assignee:
Powers, Doston S.
International Classes:
E06B9/307; E06B9/28
US Patent References:
| 1845574 | Slat adjusting device for louver or venetian blinds | | | |
| 2054164 | Venetian blind | | | |
| 2113933 | Operating mechanism for venetian blinds | | | |