Parallel panes
United States Patent 2581666
US Patent References:
Detachable window
- - 1569691
Storm-window and screen structure
- - 1699079
Window structure
- - 1725559
Double glazed window structure
- - 2239173
Supplementary sash and frame for window openings
- - 2321554
Detachable window
- - 1569691
Storm-window and screen structure
- - 1699079
Window structure
- - 1725559
Double glazed window structure
- - 2239173
Supplementary sash and frame for window openings
- - 2321554
Inventors:
Johnson, Curtis W.
Publication Date:
01/08/1952
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Export Citation:
Assignee:
Johnson, Curtis W.
Primary Class:
International Classes:
E06B3/28; E06B3/04
US Patent References:
| 2359756 | Window construction |