Roll-up window covering device
United States Patent 2908326
US Patent References:
/0484978.html
- - 0484978
/0573803.html
- - 0573803
/0843061.html
- - 0843061
/1042805.html
- - 1042805
/1217561.html
- - 1217561
/0484978.html
- - 0484978
/0573803.html
- - 0573803
/0843061.html
- - 0843061
/1042805.html
- - 1042805
/1217561.html
- - 1217561
Inventors:
Jewell, Harvey S.
Publication Date:
10/13/1959
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Assignee:
Jewell, Harvey S.
Primary Class:
Other Classes:
160/273.100
International Classes:
E06B9/54; E06B9/52
Foreign References:
| CH192809A |