Thermal insulators for metal door and window frames
United States Patent 3332184
US Patent References:
Thermal barrier for skylights
- - 3139702


Inventors:
Mcevoy, Alfred P.
Publication Date:
07/25/1967
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Assignee:
GEN ALUMINUM CORP
Primary Class:
52/211
Other Classes:
52/309.800, 52/844, 52/204.591
International Classes:
E06B1/32; E06B3/263; E06B1/04; E06B3/04
Foreign References:
BE542738A