Window and like frames
United States Patent 3012642
US Patent References:
/0639106.html
- - 0639106

Plastic window frame
- - 2753603


Inventors:
Michael, Emmerich
Publication Date:
12/12/1961
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Assignee:
Michael, Emmerich
Primary Class:
52/204.597
Other Classes:
52/204.595, 52/656.600, 49/392
International Classes:
E06B3/26; E06B3/04
Foreign References:
DE498782C