Insulated frame and connector therefor
United States Patent 3289377
US Patent References:
Frame structures
- - 2928144
Thermally insulated paneled wall structure
- - 3055468
Thermal barrier and connector member for inner and outer window frames
- - 3099337
Frame structures
- - 2928144
Thermally insulated paneled wall structure
- - 3055468
Thermal barrier and connector member for inner and outer window frames
- - 3099337
Inventors:
Hetman, Frank W.
Publication Date:
12/06/1966
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Export Citation:
Assignee:
Alpana, Aluminum Prod
Primary Class:
Other Classes:
49/DIG.001, 52/204.591
International Classes:
E06B3/263; E06B3/04
Foreign References:
| CH598800A | ||||
| DE1086875B | ||||
| GB768499A | ||||
| GB804258A | ||||
| GB839036A |